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BMW Performance Clutch Kits & Parts

These heavy-duty clutch kits use aluminum lightweight flywheels with sport clutch components to give your clutch the grip and clamping force it needs to cope with high torque upgrades. Our kits were developed through racing programs by companies affiliated with our own race team - JB Racing, Sachs Sport, OS Giken, and UUC Motorwerks. JB Racing is the leader in aluminum lightweight flywheel upgrades. They are direct replacements for the stock dual-mass flywheels with steel contact surfaces and computer balanced to 14,000 RPM. JB has partnered with Sachs to spec sport/HD clutch discs and pressure plates that work seamlessly with their aluminum flywheels. The result is a clutch/flywheel upgrade package that functions a lot like the original clutch combo with near-stock levels of effort and engangement but with a much higher torque capacity. Don't let the clutch be your weak link in a highly tuned car!

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E36 M3, MZ3 JB Racing Lightweight Aluminum Flywheel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:3771
Part#: 520-010-240
Ships in 9 Business Days
$ 602.00 USD
Free Shipping
$ 602.00 USD
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As Used on Project E36 M3
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch). In addition to the standard replacement clutches, we also sell Sachs Performance sprung hub clutches that also work with the JB flywheels.

Stock Flywheel Weight = 25.5lbs
JB Flywheel Weight = 10.0lbs

This item fits the following BMWs:
1995-1999 E36 BMW M3
1998-2002 Z3 BMW Z3 M Roadster M Coupe
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E46 M3 6MT JB Racing Lightweight Aluminum Flywheel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:302739
Part#: 520-180-240
Ships in 8 Business Days
$ 602.00 USD
Free Shipping
$ 602.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch). In addition to the standard replacement clutches, we also sell Sachs Performance sprung hub clutches that also work with the JB flywheels.

Stock Flywheel Weight = 25.0lbs
JB Flywheel Weight = 10.0lbs

This item fits the following BMWs:
2001-2006  E46 BMW  M3 (6-speed manual only, not for SMG)
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E30 318i/is, E36 318i, Z3 1.9 JB Racing Lightweight Aluminum Flywheel...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:3769
Part#: 520-040-215
Back Ordered
11% off MSRP $ 765.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 679.00 USD
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11% off MSRP
$ 765.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 679.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

Stock Flywheel Weight = 27.0lbs
JB Flywheel Weight = 9.0lbs

This item fits the following BMWs:
1989-1992 E30 BMW 318i 318is 318ic
1992-1997 E36 BMW 318i 318is 318ti 318ic
1996-1997 Z3 BMW Z3 1.9
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BMW E39 M5 South Bend Stage 2 Daily Clutch Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
South Bend Clutch - Corporate Logo
T#:377808
Part#: K70282HDO
Ships in 1 Business Day
$ 618.99 USD
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$ 618.99 USD
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BMW E39 M5 South Bend Stage 2 Daily Clutch Kit provides a powerful, durable upgrade for the E39 M5, combining exceptional torque capacity with daily drivability. Turner Motorsport offers this clutch kit, designed to handle high horsepower modifications with ease. Featuring a heavy-duty pressure plate and high metal-content organic disc, this clutch system delivers double the friction of a stock lining and a burst strength up to 12,000 RPM.

Ideal for both daily use and moderate race conditions, this Stage 2 clutch kit is rated to manage up to 440 lbs/ft of torque. The solid-hub center section is optimized for compatibility with the OE dual-mass flywheel, ensuring a smooth, reliable driving experience while maintaining a nearly stock pedal feel.

  • Heavy-Duty Pressure Plate: Increased clamp load for superior torque handling with minimal change in pedal pressure
  • High Metal-Content Organic Disc: Provides double the friction coefficient and enhances rotational strength, rated up to 12,000 RPM
  • Smooth Daily Drivability: Near-stock pedal feel, perfect for street driving and moderate racing
  • Solid-Hub Center Design: Seamlessly integrates with the OE dual-mass flywheel for optimal performance
  • Torque Capacity: Rated to manage up to 440 lbs/ft, ensuring dependable strength for modified power levels

Recommended for daily, street, and moderate race applications.

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E60, E82, E85, E9X, E89 (N52 Engine) JB Racing Lightweight Aluminum F...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:2801
Part#: 520-200-240
In Stock
$ 714.00 USD
Free Shipping
$ 714.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

This JB flywheel replaces the stock flywheel and can be used with either the stock 228mm or stock 240mm clutch discs. Depending on the model you may have either clutch size in your car but this flywheel is compatible with both. You can install a 240mm clutch as a mild upgrade.

Stock Flywheel Weight = 24-31.0lbs
JB Flywheel Weight = 12.0lbs

This item fits the following BMWs:
2006-2010 E60 BMW - 525i, 528i, 530i
2006-2013 E90, E91, E92, E93 BMW - 325i, 328i, 330i
2007-2013 E82 BMW - 125i, 128i
2006-2008 E85, E86 BMW - Z4 3.0i, Z4 3.0si
2009-later E89 BMW - Z4 3.0i
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E46 323/325/328/330 5-speed, Z3 2.3/2.8/3.0 JB Racing Lightweight Alu...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:4227
Part#: 520-140-240
In Stock
$ 602.00 USD
Free Shipping
$ 602.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch). In addition to the standard replacement clutches, we also sell Sachs Performance sprung hub clutches that also work with the JB flywheels.

Stock Flywheel Weight = 25.0lbs
JB Flywheel Weight = 10.0lbs

This item fits the following BMWs:
1999-2002 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci (with 5-speed manual transmission)
2001-2005 E46 BMW 325xi 330xi
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
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E34 M5 JB Racing Lightweight Aluminum Flywheel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:3772
Part#: 520-090-240
Ships in 4 Business Days
$ 581.00 USD
Free Shipping
$ 581.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable.

Stock Flywheel Weight = 16.0lbs
JB Flywheel Weight = 8.0lbs

This item fits the following BMWs:
1991-1995 E34 BMW M5
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E30 M3 JB Racing Lightweight Aluminum Flywheel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:3768
Part#: 520-050-228
Ships in 4 Business Days
$ 630.00 USD
Free Shipping
$ 630.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

The JB flywheel includes ignition trigger wheel.

Stock Flywheel Weight = 19.5lbs
JB Flywheel Weight = 8.0lbs

This item fits the following BMWs:
1987-1991 E30 BMW M3
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E30 325i, E34 525i (M20) JB Racing Lightweight Aluminum Flywheel (Rep...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:385699
Part#: 520-060-228
Ships on Jul 28, 2026
$ 581.00 USD
Free Shipping
$ 581.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

This flywheel replaces the stock original single-mass flywheel and should only be used with the corresponding 'single-mass' clutch kit. According to BMW the single mass flywheel was installed in all 325i up to 12/86 production date but we have seen some later cars with a single-mass flywheel. The age of the car almost guarantees one or more clutch replacements and possibly a change to the original flywheel as well. You may not know which flywheel is currently installed until the flywheel cover or the transmission is removed.

Stock Flywheel Weight = 18.0lbs
JB Flywheel Weight = 8.0lbs

This item fits the following BMWs:
1984-1991  E30 BMW  325i 325ic 325is (with single-mass flywheel)
1989-1990  E34 BMW  525i (with single-mass flywheel)
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JB Racing Single Mass Lightweight Aluminum Flywheel - 6-speed - E46 3...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:3474
Part#: 520-190-240
Ships in 2 Business Days
$ 672.00 USD
Free Shipping
$ 672.00 USD
Free Shipping
This is a performance replacement for BMW Part # 21207533868 Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

The JB Flywheel includes the pilot bearing mounted in the flywheel hub, just like the factory configuration.

Stock Flywheel Weight = 25.0lbs
JB Flywheel Weight = 10.5lbs

This item fits the following BMWs:
2002-2005 E46 BMW 325i 330i (with 6-speed manual transmission)
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E24 633/635CSi/M6, E28 535i/M5 JB Racing Lightweight Aluminum Flywhee...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:3770
Part#: 520-080-240
Ships in 5 Business Days
$ 630.00 USD
Free Shipping
$ 630.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

Stock Flywheel Weight = 22.0lbs
JB Flywheel Weight = 8.5lbs

This flywheel includes the ignition trigger wheel.

This item fits the following BMWs:
1982-1987 E23 BMW 733i 735i
1982-1989 E24 BMW 633csi 635csi M6
1985-1988 E28 BMW 535i 535is M5
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2002, E21 320i, E30 318i (M10) JB Racing Lightweight Aluminum Flywhee...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:3647
Part#: 520-110-215
Ships in 2 Business Days
$ 581.00 USD
Free Shipping
$ 581.00 USD
Free Shipping
Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can be rebuilt too with a new clutch contact surface.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

Stock Flywheel Weight = 16.5lbs
JB Flywheel Weight = 8lbs

This item fits the following BMWs:
1974-1976 2002 BMW 2002
1977-1983 E21 BMW 320i
1984-1985 E30 BMW 318i
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South Bend Stage 2 Endurance Clutch Kit - BMW E36 Z3
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South Bend Clutch - Corporate Logo
T#:28138088
Part#: K70238HDOFESMFKT
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$ 644.99 USD
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$ 644.99 USD
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E39 540i 97-03 JB Racing Lightweight Aluminum Flywheel
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JB Racing - Corporate Logo
T#:1339
Part#: 520-150-240
In Stock
$ 903.00 USD
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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

Stock Flywheel Weight = 33.0lbs
JB Flywheel Weight = 13.0lbs

This item fits the following BMWs:
1997-2003 E39 BMW 540i
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BMW E46 M3 Stage 2 Daily Clutch Kit
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South Bend Clutch - Corporate Logo
T#:377771
Part#: K70380HDO
In Stock
$ 618.99 USD
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$ 618.99 USD
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BMW E46 M3 Stage 2 Daily Clutch Kit is designed to deliver impressive power handling and daily drivability for modified E46 M3s. Turner Motorsport offers this high-performance clutch kit, engineered to withstand increased horsepower and torque while maintaining a near-stock pedal feel. Featuring a heavy-duty pressure plate and high metal-content organic disc, this Stage 2 clutch kit is ideal for street driving, moderate racing, and daily performance needs.

With an enhanced clamp load that doesn’t compromise pedal pressure, this clutch kit is conservatively rated to handle up to 340 lbs/ft of torque. Its solid-hub center design ensures smooth compatibility with the OE dual-mass flywheel, making it a reliable choice for E46 M3 enthusiasts looking to upgrade their clutch system for increased durability and strength.

  • Heavy-Duty Pressure Plate: Increased clamp load for enhanced torque capacity with minimal change in pedal pressure
  • High Metal-Content Organic Disc: Boosts friction coefficient and rotational strength, rated for up to 12,000 RPM burst point
  • Daily Drivability: Maintains a near-stock feel, perfect for street and moderate race applications
  • Solid-Hub Center Design: Works seamlessly with the OE dual-mass flywheel for reliable performance
  • Torque Handling: Conservatively rated to manage up to 340 lbs/ft of torque for added performance

Recommended for daily, street, and moderate race use.

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DXD Racing Single Mass Flywheel - BMW E36 M3, Z3 M S52 3.2L
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South Bend Clutch - Corporate Logo
T#:14585026
Part#: SBC100803-12
In Stock
$ 568.99 USD
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New and rebuilt clutches ranging from OEM factory specifications to varying degrees of performance and heavy duty for all automotive, truck, and industrial applications! Our goal at South Bend Clutch is to provide our customers with top-quality clutch parts, friendly and knowledgeable service, and an inventory network that insures speedy delivery. As a fourth-generation family-owned and operated business, our combined experience allows us to provide the best clutch options for any vehicle and driving circumstance.
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BMW E46 E39 Stage 2 Daily Clutch Kit
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South Bend Clutch - Corporate Logo
T#:377784
Part#: K70280HDO
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$ 618.99 USD
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$ 618.99 USD
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BMW E46 E39 Stage 2 Daily Clutch Kit delivers a powerful yet smooth upgrade for drivers seeking enhanced performance without sacrificing daily comfort. Turner Motorsport presents this high-quality clutch kit, designed for BMW E46 and E39 models, with a heavy-duty pressure plate to handle high horsepower modifications. The organic disc material, enriched with metal content, provides double the friction coefficient of a standard clutch, ensuring maximum rotational strength up to 12,000 RPM.

This clutch kit is conservatively rated to handle up to 385 lbs/ft of torque, making it suitable for daily, street, and moderate race applications. Its solid-hub center section is perfectly compatible with the OE dual-mass flywheel, delivering a blend of strength, durability, and near-stock pedal feel.

  • Heavy-Duty Pressure Plate: Enhanced clamp load for added torque capacity with minimal change in pedal pressure
  • High Metal-Content Organic Disc: Increases friction coefficient and rotational strength, rated for up to 12,000 RPM
  • Daily Drivability: Provides near-stock pedal feel, ideal for street driving and moderate racing
  • Solid-Hub Center Design: Ensures smooth integration with the OE dual-mass flywheel
  • Torque Capacity: Conservatively rated for 385 lbs/ft of torque, handling modified power levels with ease

Recommended for daily, street, and moderate race applications.

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Stage 2 Daily Clutch Kit - N54 3.0L
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South Bend Clutch - Corporate Logo
T#:24677044
Part#: K7052602HDOKT1
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$ 859.99 USD
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Enhance your BMW's performance with this Stage 2 Daily Clutch Kit featuring a Heavy Duty Pressure Plate. Engineered for HP modifications, this clutch system offers increased clamp load without adding excessive pedal pressure. The Organic disc material with high metal content significantly boosts friction coefficient, doubling it compared to stock linings, and elevates rotational strength up to a 12,000 RPM burst point. Despite its robustness, this clutch system maintains a stock feel while ensuring durability and strength.
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South Bend Clutch Stage 2 Daily Clutch Kit
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South Bend Clutch - Corporate Logo
T#:14551943
Part#: K70605-HD-O
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$ 1,218.99 USD
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Engineered for HP modifications. This Heavy Duty Pressure Plate has an increased clamp load with little or no increase in pedal pressure. The Organic disc material has a high metal content that increases the co-efficient of friction by two times over a stock lining and increases rotational strength up to a 12,000 RPM burst point. This clutch system maintains a stock feel while offering strength and durability. Designed to be used with the stock flywheel.
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JB Racing Lightweight Aluminum Flywheel - E39 M5
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JB Racing - Corporate Logo
T#:16606
Part#: 520-160-240
Ships in 8 Business Days
$ 903.00 USD
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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

Stock Flywheel Weight = 40.0lbs
JB Flywheel Weight = 13.0lbs

This item fits the following BMWs:
1999-2003 E39 BMW M5
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Stage 1 Heavy Duty Clutch Kit - South Bend Clutch
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South Bend Clutch - Corporate Logo
T#:5095714
Part#: K70684-HD
In Stock
$ 342.99 USD
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$ 342.99 USD
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BMW E36 328i, Z3 2.8 JB Racing Lightweight Aluminum Flywheel ...
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JB Racing - Corporate Logo
T#:3774
Part#: 520-030-240
In Stock
$ 714.00

This product was last offered at the strikethrough price on
06-08-2026

$ 652.99 USD
Limited Qty Sale
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$ 714.00

This product was last offered at the strikethrough price on
06-08-2026

$ 652.99 USD
Limited Qty Sale
Free Shipping

BMW E36 328i, Z3 2.8 JB Racing Lightweight Aluminum Flywheel offers a significant performance upgrade by replacing the heavy stock steel flywheel with a much lighter aluminum version. This JB Racing flywheel is designed to deliver faster acceleration, improved throttle response, and enhanced overall performance for your BMW.

The modern stock flywheels are burdened with additional components meant to dampen vibrations, which unfortunately adds unnecessary weight. The JB Racing aluminum flywheel, weighing just 10.0 lbs compared to the stock 25.0 lbs, eliminates this excess mass, allowing more power to reach the wheels and reducing the energy wasted on spinning the flywheel. Engine builders prioritize lightweight flywheels when optimizing race engines for maximum efficiency, and the difference is especially noticeable in how quickly the engine revs and reaches its power band.

This JB Racing lightweight flywheel is a direct replacement for the stock flywheel and is compatible with the factory BMW organic clutch. This compatibility ensures that you can use standard replacement clutches, making maintenance simple and cost-effective. The flywheel can also be resurfaced for a fresh contact surface, so there’s no need to buy a new one when it’s time to replace the clutch.

While single-mass aluminum flywheels like this one may result in slightly more noise and vibration compared to dual-mass designs, this can be managed with heavier transmission oil and sprung hub clutches, such as the Sachs Performance clutch available through Turner Motorsport.

  • Faster acceleration: Reduces the rotational mass for quicker engine response.
  • Improved throttle response: Engine revs more freely and builds RPM faster.
  • Enhanced performance: More power delivered to the wheels for better driving dynamics.
  • Cost-effective maintenance: Compatible with factory BMW organic clutches and can be resurfaced.
  • Direct replacement: Easy upgrade with no modifications required.

Vehicle Compatibility:

  • 1996-1999 E36 BMW 328i, 328is, 328ic
  • 1997-1998 Z3 BMW Z3 2.8
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SBC Stage 2 Endurance Clutch Kit - BMW E90 E60 N52 3.0L
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South Bend Clutch - Corporate Logo
T#:28138123
Part#: K70558HDOCE
In Stock
$ 753.99 USD
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An SFI approved single mass flywheel is recommended for this application to get optimal performance. This clutch system is designed for the racing climate. The pressure plate is precision balance for vibration free operation at high RPM. The pressure plate fulcrum is altered for a positive disengagement and a quick shift. The disc is engineered with a Dual Damped design to provide accurate control when accelerating through corners. The friction material is a hybrid using a full face Feramic (Sintered Iron) lining on the flywheel side and a high metal content Organic lining on the pressure plate side. Engagement is positive yet buffered due to the high graphite content unique to Feramic facings.

Stage 2 Endurance Clutch Kits:

Recommended uses are daily and street with an emphasis on Rally and Endurance racing.

Rated to hold 495lbs/ft of torque.

Featuring a solid-hub center section for use with an OE dual-mass flywheel

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BMW E46 M3 Stage 2 Daily Clutch Kit - E46 M3
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South Bend Clutch - Corporate Logo
T#:15910084
Part#: K70380HDOKT1
In Stock
$ 618.99 USD
Free Shipping on orders $49 and up

Enhance Your BMW's Performance with a Heavy Duty Pressure Plate

Enhance your BMW's performance with a Heavy Duty Pressure Plate, designed for high-performance modifications. This pressure plate provides an increased clamp load without significantly raising pedal pressure. The Organic disc material boasts a high metal content, doubling the co-efficient of friction compared to stock linings and reinforcing rotational strength up to a 12,000 RPM burst point. Despite its robustness, this clutch system maintains a stock feel while ensuring durability and strength.

Stage 2 Daily Clutch Kits offer:

  • Recommended for daily driving, street use, and moderate racing
  • Conservatively rated to withstand 340lbs/ft of torque
  • Equipped with a solid-hub center section for compatibility with OE dual-mass flywheel

Upgrade your BMW's performance with a Stage 2 Daily Clutch Kit, providing enhanced durability and performance while maintaining a familiar driving feel.

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2002, 2002Tii JB Racing Lightweight Aluminum Flywheel 228mm
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JB Racing - Corporate Logo
T#:3762
Part#: 520-100-228
Ships in 3 Business Days
$ 581.00 USD
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$ 581.00 USD
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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can be rebuilt too with a new clutch contact surface.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

Stock Flywheel Weight = 16.5
JB Flywheel Weight = 8lbs

This item fits the following BMWs:
1968-1973 2002 BMW 2002 2002tii
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Single Mass Flywheel -S54 - 18lbs - Steel
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South Bend Clutch - Corporate Logo
T#:14585035
Part#: SBC100816-12
In Stock
$ 690.99 USD
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South Bend Clutch flywheels offer your rig smooth operation. Manufactured from low-carbon, hot-rolled steel, SBC solid flywheels accommodate higher plate loads, are more resistant to warping, and they have reduced operating temperatures. Their CNC machining provides precise tolerance and perfect balance for a longer service life with smoother engagement. Exceed OE specifications with flywheels from South Bend Clutch.
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South Bend Clutch Stage 3 Daily Driver Clutch Kit
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For Vehicles with production date from 2007
South Bend Clutch - Corporate Logo
T#:14585010
Part#: K70526-02-SS-O-S
Ships in 1 Business Day
$ 1,074.99 USD
Free Shipping on orders $49 and up
South Bend Clutch Stage 3 Daily Driver clutch kits are recommended for a single mass flywheel (SMF), when the original design is a dual mass flywheel (DMF). These clutch packages are designed for high-horsepower vehicles desiring a start performance similar to OE. The pressure plate is race-engineered (SS) and SFI-approved with a significant load increase over stage 1 and 2 pressure plates (+600-800 lbs.). Expect a pedal effort increase of 20 to 25 percent. Discs are assembled with heat-treated wear-resistant hubs, as well as drive plates and springs for high-load transfer and dependable operation. The sprung centers on the disc, in conjunction with the marcel fin between the linings, creating a dual dampening effect that simulates OE start performance. A performance organic friction material with a high metal content increases torque and rpm capability—and maintains low operating temperatures, which reduce wear and glazing. South Bend Clutch Stage 3 Daily Driver clutch kits are the perfect match for your high-performance street machine and occasional track use.
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South Bend - Stage 1 HD Clutch Kit
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South Bend Clutch - Corporate Logo
T#:377793
Part#: K70010HD
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$ 358.99 USD
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Upgrade to South Bend Clutch's Stage 2 Endurance Clutch Kit for your M42 or M44 Powered BMW! Input Shaft Spline Count: 10 Input Shaft Diameter: 1.125" Disc Diameter: 8.5" Disc Material: Organic Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: No Flywheel Included: No
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Stage 2 Endurance Clutch Kit
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South Bend Clutch - Corporate Logo
T#:5095713
Part#: K70473-HD-OCE
Ships in 1 Business Day
$ 806.99 USD
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$ 806.99 USD
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South Bend Clutch K70526-02-SS-DXD-B-SMF
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For Vehicles with production date from 2007
South Bend Clutch - Corporate Logo
T#:14585007
Part#: K70526-02-SS-DXD
Ships in 1 Business Day
$ 1,302.99 USD
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Drag racing requires a Single Mass Steel Flywheel to be included with each kit when the original design is Dual Mass Flywheel. This clutch package is built to handle heavily modified cars and is designed to function according to the specific needs of the 1/4 and 1/8 mile track. The pressure plate for this kit is SFI approved Race Cover engineered to disengage with less pedal travel shortening the shift time. Discs are a puck design, which reduces rotational mass, and are assembled with all high-carbon component pieces for maximum strength. The friction material used is Graphite impregnated Ceramic perfectly suited for drag racing because of its maximum friction coefficient, rapid heat dissipation and abrupt engagement characteristics. Recommended uses drag, pulling, and drifting.
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Stage 1 Heavy Duty Clutch Kit
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South Bend Clutch - Corporate Logo
T#:5095710
Part#: K70473-HD
Ships in 1 Business Day
$ 637.99 USD
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E34 535i JB Racing Lightweight Aluminum Flywheel
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JB Racing - Corporate Logo
T#:647
Part#: 520-170-240
Ships in 1 Business Day
$ 714.00 USD
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$ 714.00 USD
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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.
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South Bend Stage 1 Heavy Duty Clutch Kit - BMW E21 320i
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South Bend Clutch - Corporate Logo
T#:22394055
Part#: KF137-HD
Ships in 1 Business Day
$ 377.99 USD
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$ 377.99 USD
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A heavy-duty upgrade to the stock O.E. clutch, this version features a pressure plate with enhanced clamp load for extended durability. The dual-dampened disc ensures smooth engagement and helps prolong transmission life, while premium friction material promotes rapid heat dissipation, further enhancing clutch longevity. Ideal for spirited driving and everyday use. Product Features: Alignment Tool Included: Yes Clutch Disc Quantity: Single Clutch Usage: Performance Disc Diameter: 210 Disc Material: Organic Disc Style: Full Face Flywheel Included: No Hub Style: Sprung Input Shaft Diameter: 1.13 Input Spline Quantity: 10 Mounting Hardware Included: No Pilot Bushing Included: No Pressure Plate Style: Diaphragm Prop 65 Yes/No: No Throwout Bearing Included: Yes Throwout Bearing Style: Standard Quantity: Sold as a kit
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South Bend Clutch Stage 3 Daily Clutch Kit - E60/61 E82/88 E9X N54 3....
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South Bend Clutch - Corporate Logo
T#:366987
Part#: K03099SSO
Ships in 1 Business Day
$ 1,074.99 USD
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$ 1,074.99 USD
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This clutch package is designed for high HP vehicles desiring a start performance similar to O.E. The pressure plate is Race Engineered (SS) and SFI approved with significant load increase over stage 1,2 pressure plates (+600-800 lbs.). Expect a pedal effort increase of 20%-25%. Discs are assembled with heat-treated wear resistant hubs; drive plates and springs for high load transfer and dependable operation. The sprung centers on the disc in conjunction with the marcel fin between the linings create a dual dampening effect that simulates O.E. start performance. A Performance Organic friction material with a high metal content increases torque and RPM capability and maintains low operating temperatures which reduces wear and glazing.

Stage 3 Daily Clutch Kits:

Recommended usages are daily, spirited street and occasional track
Conservatively rated to hold 500lbs/ft of torque
Featuring a solid-hub center section for use with an OE dual-mass flywheel

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E30 325e JB Racing Lightweight Aluminum Flywheel (Replaces Single-Mas...
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JB Racing - Corporate Logo
T#:3763
Part#: 520-070-228
Ships in 5 Business Days
$ 630.00 USD
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$ 630.00 USD
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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

The JB flywheel includes ignition trigger wheel.

This flywheel replaces the stock original single-mass flywheel and should only be used with the corresponding 'single-mass' clutch kit. According to BMW the single mass flywheel was installed in all 325e up to 5/86 production date but we have seen some later cars with a single-mass flywheel. The age of the car almost guarantees one or more clutch replacements and possibly a change to the original flywheel as well. You may not know which flywheel is currently installed until the flywheel cover or the transmission is removed.

Stock Flywheel Weight = 24.0lbs
JB Flywheel Weight = 8.5lbs

This item fits the following BMWs:
1984-1988 E30 BMW 325e 325es (with single mass flywheel)
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Z4 M HD Clutch and Flywheel Kit
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JB Racing - Corporate Logo
T#:878
Part#: 520-010S-S873G
Ships in 9 Business Days
$ 1,488.61 USD
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$ 1,488.61 USD
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This lightweight aluminum flywheel w/ Heavy Duty "sprung-hub" clutch package is the best-engineered solution for E46 325 and 330 models with the 6-speed transmission, Z4 2.5/3.0, and Z4 M Roadster and M Coupe. Instead of picking a clutch from another car that may or may not work at all, the engineers at JB Racing have taken all of the guess work out of this upgrade and incorporated a Sachs sport sprung-hub clutch with the correct pressure plate and combined it with their most-popular aluminum lightweight flywheel. The Sachs HD clutch disc has a sprung hub to minimize noise and vibration and organic linings to give the feel and engagement of a stock clutch. Mixing and matching of the incorrect clutch, pressure plate, and flywheel components can lead to inconsistent engagement and feel -- why make your clutch feel worse?

In addition, the Sachs HD pressure plate will clamp with greater force -- allowing approximately 350 ft-lbs of torque, which makes it an obvious upgrade from the stock clutch kit. And with the aluminum flywheel weight savings is substantial over the stock dual-mass flywheel - which allows your motor to spool up faster and transmit more HP to the ground.

Because Sachs is an OE supplier to most German cars, replacement parts are just a phone call away. This kit uses the stock throw-out bearing (included in the price).

Z4 M Sport Clutch and Flywheel Applications:
2006-2008 E85 Z4, E86 Z4 Z4 M Roadster, Z4 M Coupe
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E30 325e JB Racing Lightweight Aluminum Flywheel (Replaces Dual-Mass ...
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JB Racing - Corporate Logo
T#:3749
Part#: 520-120-228
Ships in 3 Business Days
$ 854.00 USD
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$ 854.00 USD
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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

The JB flywheel includes ignition trigger wheel.

This flywheel replaces the stock original dual-mass flywheel and should only be used with the corresponding 'dual-mass' clutch kit. According to BMW the dual mass flywheel was installed in all 325/325e from 5/86 on but we have seen some later cars with a single-mass flywheel. The age of the car almost guarantees one or more clutch replacements and possibly a change to the original flywheel as well. You may not know which flywheel is currently installed until the flywheel cover or the transmission is removed.

Stock Flywheel Weight = 27.5lbs
JB Flywheel Weight = 10.0lbs

This item fits the following BMWs:
1984-1988 E30 BMW 325e 325es (with dual mass flywheel)
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E36, E46 JB Racing Ultra-Light Racing Clutch/Flywheel Assembly ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:340509
Part#: WCCLUTCH
Ships in 5 Business Days
Starting at $ 1,999.00 USD
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Starting at $ 1,999.00 USD
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The ultimate in a racing flywheel and clutch! This was developed for use in our E36 and E46 World Challenge Touring Cars. The combined weight of the clutch and flywheel is only 11lbs!!!

This multi-disc (2 or 3 disc setups) offer a minimal flywheel mass (enough to include a factory ring gear for the starter) and a small 5.5" clutch assembly rated to 500hp. By saving as much weight as possible less energy is used in simply spinning the flywheel/clutch assembly and that means a lot more power and torque is available at the drive wheels. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines and this is among the most advanced and lightest racing clutch kits available for your BMW race car.

The JB Ultra-Light Performance racing clutch is available in 2-disc or 3-disc setups. We used the 5.5"/140mm size in our Touring Cars but larger sizes are available too. This is a turn-key racing clutch and flywheel kit that you don't have to engineer or spec yourself. This is the same clutch setup we used when winning the 2003 and 2004 Touring Car Championships - the quality and performance is unquestionable. That series also employed standing starts at each race and this clutch setup performed flawlessly with nearly a full season of racing on them before needing a change.

JB Ultra-Light flywheels include:
  • precision CNC machined aluminum flywheel
  • zero-balanced up to 10,000 RPM
  • replaceable hardened steel clutch friction surface
  • Helicoil threaded inserts
  • high-strength grade 10.9 hardware
  • multi-disc racing clutch with Performance racing pressure plate
  • JB Racing throw-out bearing with custom bobbin
    This is a true racing clutch and will not function as a street-able clutch at all. It behaves as an on/off switch with no slippage allowed. Extreme care must be used when driving on to trailers and around the paddock. But when driven correctly the life span of this clutch is amazing - we could get a full season of racing a 300hp M54 from this clutch setup including standing starts at every race! Replacement clutch components and flywheel rebuilding are available.

    A properly adjusted clutch stop is required for use with this clutch kit.

    Stock Flywheel + Clutch Weight = 45+lbs
    JB Ultra-Light Flywheel & Clutch Weight = 11lbs

    This item fits the following BMWs:
    1992-1999 E36 BMW 325i 325is 328i 328is M3
    1999-2006 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci (5-speed)
    1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
    2003-2005 E85 BMW Z4 2.5i (5-speed)
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    MINI R56 Stage 2 Endurance Clutch Kit
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    South Bend Clutch - Corporate Logo
    T#:5095722
    Part#: K70684-HD-OCE
    Ships in 1 Business Day
    $ 551.99 USD
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    $ 551.99 USD
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    MINI R56 Stage 2 Endurance Clutch Kit is engineered for high-performance driving and racing environments. Designed to withstand the rigors of rally and endurance racing, this clutch kit delivers enhanced durability and performance while maintaining smooth operation.

    • Precision Engineering: The pressure plate is precision-balanced to eliminate vibrations at high RPMs, ensuring stable performance.
    • Improved Disengagement: Features an altered fulcrum for positive disengagement and quicker shifts.
    • Dual Damped Disc: The disc’s Dual Damped design provides precise control during acceleration, particularly through corners.
    • Hybrid Friction Material: Utilizes a Feramic (Sintered Iron) lining on the flywheel side and a high metal content Organic lining on the pressure plate side for positive engagement with a buffered feel.
    • Compatibility: Designed to work with the stock dual mass flywheel. It is recommended to pair it with a new stock dual mass flywheel.
    • Versatile Performance: Ideal for daily driving, street use, and excels in rally and endurance racing scenarios.

    This Stage 2 Endurance Clutch Kit combines robust performance with reliable operation, making it a great choice for MINI enthusiasts who demand high performance under demanding conditions.

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    Stage 3 Daily Clutch Kit - Single Mass Flywheel - E46 M3
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    South Bend Clutch - Corporate Logo
    T#:26038605
    Part#: K70380SSOSMF
    Ships in 1 Business Day
    $ 1,104.99 USD
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    Stage 3 Daily Clutch Kit for BMW

    Upgrade your BMW's clutch system with this Stage 3 Daily Clutch Kit, designed for high-performance vehicles seeking OEM-like start performance. Engineered with a Race Engineered (SS) pressure plate, this kit offers a significant load increase over stage 1 and 2 pressure plates, providing enhanced durability and performance. Experience a 20%-25% increase in pedal effort, ensuring precise control during acceleration. The discs are equipped with heat-treated wear-resistant hubs, drive plates, and springs for optimal load transfer and reliable operation. The sprung centers and marcel fin on the disc deliver dual dampening effects for smooth starts, similar to OEM performance. With a Performance Organic friction material, this kit enhances torque and RPM capability while maintaining low operating temperatures to minimize wear and glazing.

    • Suitable for daily driving, spirited street, and occasional track use
    • Rated to hold up to 500lbs/ft of torque
    • Features a sprung hub clutch compatible with SouthBend Single Mass Flywheel (ES4140474)
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    South Bend - Stage 2 Daily Clutch Kit
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    South Bend Clutch - Corporate Logo
    T#:28337810
    Part#: K03036HDO
    Ships in 1 Business Day
    $ 1,236.99 USD
    Free Shipping on orders $49 and up
    Upgrade to South Bend Clutch's Stage 2 Daily Clutch Kit for your e34 M5! Input Shaft Spline Count: 10 Input Shaft Diameter: 1.13” Disc Diameter: 9” Disc Material: Organic Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: Yes Flywheel Included: No
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    BMW E39 M5 South Bend Clutch Stage 2 Daily Clutch
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    South Bend Clutch - Corporate Logo
    T#:28138131
    Part#: K70282-HD-O-SMF
    Ships in 1 Business Day
    $ 618.99 USD
    Free Shipping on orders $49 and up

    Boost your BMW E39 M5's performance with the South Bend Clutch Stage 2 Daily Clutch, designed to handle increased horsepower and torque demands while maintaining everyday drivability. Engineered with high-quality materials and advanced technology, this clutch kit ensures durability and reliability for both street and moderate racing applications.

    • Enhanced clutch disc materials for increased friction and durability.
    • Improved clamp load for better power transmission.
    • Maintains stock-like pedal feel.
    • Designed for daily driving and occasional track use.

    Upgrade your BMW E39 M5 with the South Bend Clutch Stage 2 Daily Clutch and experience improved performance without compromising on drivability.

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    JB Racing Aluminum Lightweight Flywheel - E9X M3
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    JB Racing - Corporate Logo
    T#:5774218
    Part#: 520-210-215
    Ships in 5 Business Days
    $ 1,106.00 USD
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    $ 1,106.00 USD
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    Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.
    Show More Show Less
    MINI R56 Stage 2 Daily Clutch Kit
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    South Bend Clutch - Corporate Logo
    T#:5095721
    Part#: K70684-HD-O
    In Stock
    $ 435.99 USD
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    $ 435.99 USD
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    South Bend - Stage 2 Daily Clutch Kit
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    South Bend Clutch - Corporate Logo
    T#:28337843
    Part#: K03059HDO
    In Stock
    $ 804.99 USD
    Free Shipping on orders $49 and up
    Upgrade to South Bend Clutch's Stage 2 Daily Clutch Kit for your e85 Z4! Input Shaft Spline Count: 22 Input Shaft Diameter: 1.13” Disc Diameter: 9.44" Disc Material: Organic Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: Yes Flywheel Included: No
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    MINI F54 to F60 Stage 1 Daily Clutch Kit
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    South Bend Clutch - Corporate Logo
    T#:30629696
    Part#: K70472-HD
    Ships in 1 Business Day
    $ 574.99 USD
    Free Shipping on orders $49 and up

    MINI F54 to F60 Stage 1 Daily Clutch Kit is engineered for high-performance modifications, offering superior strength and durability for MINI vehicles. This heavy-duty clutch kit features an upgraded pressure plate with increased clamp load while maintaining a stock-like pedal feel. The organic disc material, enriched with high metal content, provides a friction coefficient twice that of the stock lining and supports rotational strength up to 12,000 RPM.

    • Heavy-duty pressure plate with increased clamp load for enhanced performance and durability
    • Organic disc material with high metal content for improved friction and strength
    • Supports rotational strength up to 12,000 RPM
    • Maintains a stock feel with minimal increase in pedal pressure
    • Dual dampened disc for smooth engagement and extended transmission life
    • Premium friction material for rapid heat dissipation and prolonged clutch life
    • Ideal for spirited and daily driving
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    Stage 2 Daily Clutch Kit
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    South Bend Clutch - Corporate Logo
    T#:5095712
    Part#: K70473-HD-O
    Ships in 1 Business Day
    $ 725.99 USD
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    $ 725.99 USD
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    South Bend - Stage 2 Endurance Clutch Kit
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    South Bend Clutch - Corporate Logo
    T#:401469
    Part#: K03070-HD-TZ
    Ships in 1 Business Day
    $ 1,008.99 USD
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    $ 1,008.99 USD
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    Upgrade to South Bend Clutch's Stage 2 Endurance Clutch Kit for your 3.2L E85 or E86 Z4 M Coupe and Roadster! Input Shaft Spline Count: 22 Input Shaft Diameter: 1.13" Disc Diameter: 9.44" Disc Material: Kevlar Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: No Flywheel Included: No
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    South Bend Clutch Stage 3 Endurance Clutch Kit
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    For Vehicles with production date from 2007
    South Bend Clutch - Corporate Logo
    T#:14585012
    Part#: K70526-02-SS-TZ-
    Ships in 1 Business Day
    $ 1,171.99 USD
    Free Shipping on orders $49 and up
    Engineered for HP modifications. This Heavy Duty Pressure Plate has an increased clamp load with little or no increase in pedal pressure. The Organic disc material has a high metal content that increases the coefficient of friction by two times over a stock lining and increases rotational strength up to a 12,000 RPM burst point. This clutch system maintains a stock feel while offering strength and durability.​ Stage 3 Endurance Clutch Kits: Recommended uses are daily and street with an emphasis on Rally and Endurance racing. Rated to hold 540lbs/ft of torque. Featuring a solid-hub center section for use with an aftermarket Single Mass Flywheel
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    Stage 2 Drag Clutch Kit
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    South Bend Clutch - Corporate Logo
    T#:25075810
    Part#: K70526-02-HD-DXD
    Ships in 1 Business Day
    $ 1,171.99 USD
    $ 1,171.99 USD
    Engineered for HP modifications. This Heavy Duty Pressure Plate has an increased clamp load with little or no increase in pedal pressure. The Organic disc material has a high metal content that increases the coefficient of friction by two times over a stock lining and increases rotational strength up to a 12,000 RPM burst point. This clutch system maintains a stock feel while offering strength and durability.​ Stage 2 Drag Clutch Kits: Recommended for use on the track with an emphasis on Drag racing. Rated to hold 520lbs/ft of torque. Featuring a solid-hub center section for use with an OE dual-mass flywheel
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