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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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HD/Perf Street Sprung
Must be used with ACT Flywheel 601010 or 601015
ACT - Corporate Logo
T#:567299
Part#: BM9-HDSS
In Stock
$ 897.00 USD
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$ 897.00 USD
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This kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use an exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability.
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Sachs Performance Pressure Plate - E36 Z3 M3 3.2L
2X Entries For Our G87 M2 Sweepstakes!
SACHS Performance - Corporate Logo
T#:302269
Part#: 883082999792
In Stock
$ 430.99 USD
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$ 430.99 USD
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Experience longer life and less slippage with this Sachs Performance pressure plate for use with sport/racing clutch discs. This pressure plate offers more clamping power, and is recommended for cars making significantly more hp than stock (forced injection, etc) while using a stock flywheel. This is NOT for use on cars with an aftermarket flywheel (stock flywheel only).

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

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Spec Clutches - Corporate Logo
T#:211063
Part#: SB533H-2
In Stock
$ 839.00 USD
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$ 839.00 USD
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Tuning your N54/N55 with all of the bolt-on upgrades? Don't allow your clutch or flywheel let you down! The stock clutch is fine for a stock car or just a simple software upgrade. But anything more and it quickly becomes the weak link (especially with drag races or hard launches). The 135i/335i/535i/Z4 35i SPEC Stage 2+ clutch kit is perfect for owners who want a performance clutch that works great with simple bolt-on modifications and will have a minimum of downsides or trade-offs. SPEC has spent considerable time and effort on the 335i models to produce a performance clutch and flywheel package that holds up to track and drag strip demands but is also easy to live with for daily driving. This clutch kit is meant to be used only with a SPEC flywheel. Features: The flywheel has a peak torque rating of 545ft-lbs Limitations of the stock flywheel are eliminated Self-adjusting, like the factory design, and the engagement point can be adjusted Sprung hub clutch to be used with the single-mass flywheel with near-stock levels of noise, vibration, and refinement **Due to the nature of lightened single mass flywheels added "NVH" or "chatter" will or may occur during operation. Accompanying modifications can also increase or decrease the amount of "NVH" or "chatter" in the drivetrain. Please contact our sales team with any questions.**
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Spec Clutches - Corporate Logo
T#:3457425
Part#: SB55SST
Back Ordered
$ 1,899.00 USD
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$ 1,899.00 USD
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SPEC Super Twin multi-disc clutch and flywheel kits are designed for street and track use in vehicles with extreme horsepower and torque (700 to 1500 lbs.-ft.). They offer near-stock drivability, tremendous life expectancy, a no shimming/setup bolt-in installation, and maintenance-free operation. With their all-billet construction, these assemblies are smooth and quiet. Super Twins are constructed with aircraft-grade aluminum and high-carbon billet steel milled to industry-leading .001 in. tolerances for perfect balance and actuation. Friction is provided by dampened, full-faced, carbon-graphite discs. Additional features of SPEC Super Twin multi-disc clutch and flywheel kits: Organic, fiber, and full-metallic versions are also available Flywheel and track-spec hardware are included in each kit *Rebuildable by SPEC or the end-user *Ideal for all types of use, including: street, drag racing, drifting, road racing, time-attack, pulling, and rally
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Spec Clutches - Corporate Logo
T#:341298
Part#: SB60SST
Ships in 3 Business Days
$ 1,799.00 USD
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$ 1,799.00 USD
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When adding performance-enhancing modifications to your vehicle, you need a way to get the power to the wheels. The SPEC clutch kit is perfect for preventing premature wear and slippage during heavy acceleration. This kit is designed to hold up to 710 ft. lbs. For vehicles with SMG transmission only
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Spec Clutches - Corporate Logo
T#:387322
Part#: SB53A-2
In Stock
$ 579.00 USD
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$ 579.00 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.

SACHS Performance - Corporate Logo
T#:393810
Part#: 053151231031
In Stock
$ 113.99 USD
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$ 113.99 USD
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Improved bearing from Sachs Performance that is designed for a performance oriented clutch system. Resists wear and damage from increased spring pressure and higher engagement RPM's.

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

Performance equivalent of BMW part #'s:

  • 1 207 275
  • 1 208 423
  • 1 223 168
  • 1 223 366
  • 1 225 203
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Spec Clutches - Corporate Logo
T#:7036582
Part#: SBB58A-2
In Stock
$ 749.00 USD
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$ 749.00 USD
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These kits feature a non-SAC mechanism pressure plate, which , deviating from the original design, provides a lighter rotating assembly, higher rpm capability and greater clamp load levels. Required for the install is a billet rebuildable flywheel that features a lightweight, low MOI design and infinite rebuildability. The billet aluminum flywheel weighs 14lbs, and billet steel 22 lbs.
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Spec Clutches - Corporate Logo
T#:397226
Part#: SB531-2
Ships in 3 Business Days
10% off MSRP $ 759.00

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

$ 683.99 USD
Free Shipping
10% off MSRP
$ 759.00

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

$ 683.99 USD
Free Shipping

Enhance Your Car's Performance with the Perfect Clutch-Flywheel Combination

When it's time to replace your car's clutch, you face a crucial decision: upgrade or stick with stock? In many cases, upgrading is the preferred choice, especially when you pair the right clutch with a single mass flywheel. The secret to achieving the perfect blend of performance and driving experience lies in selecting a sprung hub clutch. This option allows you to enjoy the advantages of a single mass flywheel while eliminating issues like noise, vibration, and harshness (NVH), ensuring an outstanding driving performance.

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Spec Clutches - Corporate Logo
T#:341709
Part#: SB53S-2
Ships in 3 Business Days
$ 599.00 USD
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$ 599.00 USD
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These kits feature a non-SAC mechanism pressure plate, which , deviating from the original design, provides a lighter rotating assembly, higher rpm capability and greater clamp load levels. Required for the install is a billet rebuildable flywheel that features a lightweight, low MOI design and infinite rebuildability. The billet aluminum flywheel weighs 14lbs, and billet steel 22 lbs.
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Spec Clutches - Corporate Logo
T#:597416
Part#: SB55S-2
Back Ordered
$ 599.00 USD
Free Shipping
$ 599.00 USD
Free Shipping
Spec Clutches - Corporate Logo
T#:394254
Part#: SB533-2
In Stock at Vendor
$ 799.00 USD
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$ 799.00 USD
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The Stage 3+ is for cars making serious levels of boost and torque. If you have upgraded turbos or a single-turbo conversion, or have checked off the list of full bolt-ons, this will be a very capable clutch for you. This clutch is designed to work only with a SPEC single-mass flywheel and avoid the pitfalls of the stock OEM flywheel. The stock dual mass flywheel uses springs and rubber to isolate vibrations from the engine and transmission. However, on high mileage or abused flywheels the rubber can break down and the springs will become weak. A worn dual mass flywheel limits the amount of torque you can put out. It will affect clutch engagement, shifts, and power delivery. In some cases a total flywheel failure can rip apart the flywheel, clutch, and even transmission housing. With the SPEC single-mass flywheel the limitations of the stock flywheel are eliminated. The SPEC flywheel is a single mass design (no internal springs or rubber to fail) and is offered in a steel or aluminum material. The steel will better dampen vibration than the aluminum so it's the better choice for street use. The aluminum will have greater vibration and noise (gearbox rattle) that may not be acceptable for everyone. The clutch in this Stage 3+ kit is a sprung hub design so SPEC has done all they can to minimize the noise and vibration. It's also self-adjusting, like the factory design, and the engagement point can be adjusted. For use with SPEC Billet Flywheel (E-Chassis cars) or (F-Chassis cars)
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Spec Clutches - Corporate Logo
T#:597413
Part#: SB553H-2
In Stock at Vendor
$ 839.00 USD
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$ 839.00 USD
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Spec Clutches - Corporate Logo
T#:340444
Part#: SB663H
Ships in 3 Business Days
Starting at $ 869.00 USD
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Starting at $ 869.00 USD
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The SPEC Stage 2 clutch is a premium, no compromises heavy-duty clutch upgrade for the 2001-2006 E46 M3 (manual transmission). Where the stock clutch is well-known for premature wear when driven hard and the factory dual mass flywheel is a known failure point, the SPEC clutch delivers with an over-engineered, performance-oriented clutch solution. The single carbon-Kevlar clutch is rated at 545 ft-lbs, more than enough for the naturally-aspirated S54 engines. A heavy-duty pressure plate and throw-out bearing complete the package.

The stock clutch in the S54 cars is not a terrible clutch and it is not under-rated (it's the same clutch disc used in the E39 M5). Our tuned M3 street and race cars have used the stock clutch with almost 400hp with only the occassional slip. But if the clutch is not grabbing like you want it to, or your tuning plans will include forced induction, a heavy-duty clutch is what will be needed. The SPEC Stage 2 clutch consists of a carbon-Kevlar friction material paired with a heavy-duty pressure plate. The clutch is stronger and grabs harder than the factory clutch. It has a much more robust feel and engagement. And with this specification the clutch will never be a weak point. The SPEC clutch is designed to work with the stock dual mass flywheel or the SPEC single-mass flywheel (steel or aluminum).

The real weak point in the driveline is in the flywheel. The stock dual-mass flywheel has rubber damper discs inside that will wear out over time. Heat and aggressive driving will accelerate their wear. Even if the clutch contact surface is not showing wear the inner rubber linings most likely are. On most clutch replacements we strongly advise getting a new flywheel at the same time to avoid duplicating the work. You can use the SPEC clutch with the stock or SPEC flywheel. Both the SPEC steel and aluminum flywheels are lighter than stock and will be single-mass. There will be a lot more noise and 'gearbox chatter' with the aluminum but the tradeoff is a much better acceleration and quicker revving. For daily driver commuting you will probably be happiest with the stock flywheel. For the ultimate in sports car feel use the aluminum. For the best of both worlds select the SPEC steel flywheel. It will not fail like the dual mass design but still has enough mass to dampen most engine vibrations.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcare enthusiasts around the globe.

E46 M3 SPEC Clutch Kit contents:
+ carbon-Kevlar clutch disc
+ heavy-duty pressure plate
+ heavy duty billet throw-out bearing

This item fits the following BMWs:
2001-2006 E46 BMW M3 with 6 speed manual transmission
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Spec Clutches - Corporate Logo
T#:341710
Part#: SB532-2
In Stock
$ 790.99 USD
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$ 790.99 USD
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SPEC's Stage 2 clutch features a full faced pure Kevlar disc complete with steel backing. This lining offers outstanding drivability like the Stage 1 kit, with an increased torque capacity and a longer life. The hub is double sprung with built-in spring reliefs for flexibility, along with heat treatment for added strength and durability. This clutch is best served in any situation from daily driven on the street, to drag or autocross racing events.

Kit includes:

Pressure plate
Clutch disc
Pilot bearing
Clutch Release Bearing
Clutch Alignment Tool
Clutch fork
Designed to be used with billet single mass flywheel

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ACT - Corporate Logo
T#:567293
Part#: BM9-XTSS
In Stock at Vendor
$ 949.00 USD
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$ 949.00 USD
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### **BM9-XTSS Clutch Kit – Engineered for Peak Performance** The **BM9-XTSS Clutch Kit** is designed for enthusiasts who demand maximum performance and durability. Featuring an **ACT Xtreme pressure plate**, this kit delivers **higher clamp load, reduced deflection, and extended clutch life**—ideal for spirited street driving and track use. Each diaphragm undergoes a **four-stage heat-treatment process**, ensuring superior strength and longevity. **Precision cover stampings** enhance rigidity, providing a significant upgrade over stock components. Paired with **ACT’s Performance Street Disc**, this kit utilizes **steel-backed organic friction material** with **high copper content** for **better heat dissipation and burst strength**. Its **reduced marcel design** allows for **quicker, smoother shifts**, perfectly complementing the Xtreme pressure plate. Expect **quiet operation, enhanced durability, and long-term reliability**, making it a top choice for performance-driven drivers. ### **Key Features:** - **Pedal Feel:** Moderate to heavy effort, smooth engagement, and minimal gear rattle. - **Extended Lifespan:** ACT’s exclusive diaphragm design ensures longer-lasting friction material. - **Precision Engineering:** Optimized for **heat resistance, fade reduction, and maximum durability**. Upgrade your drivetrain with confidence—the **ACT BM9-XTSS Clutch Kit** is built to handle the pressure. 🚗💨
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ACT - Corporate Logo
T#:567303
Part#: 601010
In Stock at Vendor
$ 748.00 USD
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$ 748.00 USD
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This Streetlite flywheel is considerably lighter than stock and is the most durable flywheel offering from ACT. This is preferred for street or drag racing. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. Noticeably improved engine response and acceleration, OE to mild gear rattle LifeHeat-treated forging for strength and toughness, induction-hardened ring gears for maximum life One-piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears CNC machined and dynamically computer balanced for smooth high RPM reliability
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Spec Clutches - Corporate Logo
T#:209171
Part#: SB533F-2
In Stock
$ 979.00 USD
Free Shipping
$ 979.00 USD
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The Stage 3+ is for cars making serious levels of boost and torque. If you have upgraded turbos or a single-turbo conversion, or have checked off the list of full bolt-ons, this will be a very capable clutch for you. This clutch is designed to work only with a SPEC single-mass flywheel and avoid the pitfalls of the stock OEM flywheel. The stock dual mass flywheel uses springs and rubber to isolate vibrations from the engine and transmission. However, on high mileage or abused flywheels the rubber can break down and the springs will become weak. A worn dual mass flywheel limits the amount of torque you can put out. It will affect clutch engagement, shifts, and power delivery. In some cases a total flywheel failure can rip apart the flywheel, clutch, and even transmission housing. With the SPEC single-mass flywheel the limitations of the stock flywheel are eliminated. The SPEC flywheel is a single mass design (no internal springs or rubber to fail) and is offered in a steel or aluminum material. The steel will better dampen vibration than the aluminum so it's the better choice for street use. The aluminum will have greater vibration and noise (gearbox rattle) that may not be acceptable for everyone. The clutch in this Stage 3+ kit is a sprung hub design so SPEC has done all they can to minimize the noise and vibration. It's also self-adjusting, like the factory design, and the engagement point can be adjusted. For use with SPEC Billet Flywheel (E-Chassis cars) or (F-Chassis cars)
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Sachs Performance Pressure Plate - E10 E30 E28 E34
2X Entries For Our G87 M2 Sweepstakes!
SACHS Performance - Corporate Logo
T#:1434
Part#: 883082999618
Ships in 6 Business Days
$ 431.00 USD
Free Shipping
$ 431.00 USD
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Experience longer life and less slippage with this Sachs Performance pressure plate for use with sport/racing clutch discs. This pressure plate offers more clamping power, and is recommended for cars making significantly more hp than stock (forced injection, etc) while using a stock flywheel. This is NOT for use on cars with an aftermarket flywheel (stock flywheel only).

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

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SACHS Performance - Corporate Logo
T#:4311
Part#: 881861999855-K
Ships in 9 Business Days
$ 928.95 USD
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$ 928.95 USD
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This replacement "sprung-hub" clutch package is designed to work with our (JB Racing) lightweight aluminum flywheel  520-010-240 for the BMW E36, E46, Z3, and Z4 models. 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.

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.

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!).

**Not for use with stock flywheel or other brands of lightweight flywheels**
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Sachs Performance Organic Clutch Disc - E36 E39 Z3
2X Entries For Our G87 M2 Sweepstakes!
SACHS Performance - Corporate Logo
T#:349646
Part#: 881864999954
Ships in 6 Business Days
$ 448.99 USD
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$ 448.99 USD
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Looking to upgrade your clutch disc? This Sachs Performance clutch disc is a great option. Allowing for higher torque and horsepower, this disc is perfect for both performance street and light to moderate track applications such as occasional endurance racing, clubsport, autocross, hill climbing and 1/4 mile racing.

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

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Spec Aluminum Single Mass Flywheel - E9X 335 (01/2009+)
Designed for use with SPEC SB53X-2 clutch kits
Spec Clutches - Corporate Logo
T#:342330
Part#: SB53A-3
Back Ordered
$ 579.00 USD
Free Shipping
$ 579.00 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.
SACHS Performance - Corporate Logo
T#:393840
Part#: 881864999533
In Stock
Sale - Save 11% $ 499.00

This product was last offered at the strikethrough price on
05-14-2026

$ 442.66 USD
Free Shipping
Sale - Save 11%
$ 499.00

This product was last offered at the strikethrough price on
05-14-2026

$ 442.66 USD
Free Shipping

Looking to upgrade your clutch disc? This Sachs Performance clutch disc is a great option. Allowing for higher torque and horsepower, this disc is perfect for aggressive track applications such as endurance racing, clubsport, autocross, hill climbing and 1/4 mile racing.

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

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Advanced Clutch Technology Xtreme Sprung Street Performance Clutch Ki...
Must be used with ACT or Turner Lightweight flywheel
ACT - Corporate Logo
T#:638329
Part#: BM14-XTSS
In Stock
$ 927.00 USD
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$ 927.00 USD
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Advanced Clutch Technology (ACT) designs, engineers and develops products by leveraging decades of track and performance street experience. Advanced CAD, FEA simulation, and CAM tools help ensure highly optimized performance, reliability, and repeatability. These key advantages are produced by combining the best engineering and design methodologies with the latest in materials and manufacturing techniques.

ACT clutch kits stand unequaled in terms of consistent pedal feel, high torque capacity, long wear life and durability. In-house manufacturing is critical in tuning components specifically to each individual application while maintaining the predictable ACT pedal feel across the entire catalog.

This clutch kit features an Xtreme pressure plate, a Performance Street sprung clutch disc, and an XACT Streetlite Flywheel.

Their Xtreme pressure plate offers a 50-120% clamp load increase, moderate to heavy pedal feel, and is recommended for high performance street and racing applications. All diaphragms went through a four stage heating process for increased strength and unparalleled performance.

Next in this kit is the Performance Street clutch disc. This is the most popular sprung clutch disc and features high quality organic friction material with a high copper content for improved heat transfer and a steel backed lining for increased strength in burst load circumstances. This organic clutch disc has a significantly higher torque capacity than a stock disc but still retains a long life span and operates quietly and reliably.

 

Clutch Kit Specs:

  • Torque Rating: 520 ft/lbs
  • 68% torque capacity increase over stock!
  • Type of Disc: Street
  • 26-count spline
  • Spline Size: 1-3/8" inch
  • Disc Weight: 3.5 lbs
  • Pressure Plate Weight: 10.7 lbs
  • 1 year Warranty from retail purchase date!
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Spec Clutches - Corporate Logo
T#:343306
Part#: SB60ST
Ships in 9 Business Days
$ 2,099.00 USD
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$ 2,099.00 USD
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SACHS Performance - Corporate Logo
T#:393842
Part#: 881864999739
In Stock
$ 465.99

This product was last offered at the strikethrough price on
05-03-2026

$ 403.99 USD
Limited Qty Sale
Free Shipping
$ 465.99

This product was last offered at the strikethrough price on
05-03-2026

$ 403.99 USD
Limited Qty Sale
Free Shipping

Looking to upgrade your clutch disc? This Sachs Performance clutch disc is a great option. Allowing for higher torque and horsepower, this disc is perfect for aggressive track applications such as endurance racing, clubsport, autocross, hill climbing and 1/4 mile racing.

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

Show More Show Less
Spec Clutches - Corporate Logo
T#:583816
Part#: SB801KT
Ships in 3 Business Days
$ 1,268.00 USD
Free Shipping
$ 1,268.00 USD
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Spec Clutches - Corporate Logo
T#:340442
Part#: SB533H-2
In Stock at Vendor
Starting at $ 1,438.00 USD
Free Shipping
Starting at $ 1,438.00 USD
Free Shipping
Tuning your N54/N55 with all of the bolt-on upgrades? Don't allow your clutch or flywheel let you down! The stock clutch is fine for a stock car or just a simple software upgrade. But anything more and it quickly becomes the weak link (especially with drag races or hard launches). The 135i/335i/535i/Z4 35i SPEC Stage 2+ clutch kit is perfect for owners who want a performance clutch that works great with simple bolt-on modifications and will have a minimum of downsides or trade-offs. SPEC has spent considerable time and effort on the 335i models to produce a performance clutch and flywheel package that holds up to track and drag strip demands but is also easy to live with for daily driving. This clutch kit is meant to be used only with a SPEC flywheel.

What was most important to them was offering a kit that has stock-like clutch pedal effort but will grab and hold when the car has been mildly tuned. Full bolt-on upgrades like software, intake, FMIC, E85 mix, or methanol demand a better clutch. The Stage 2+ with the flywheel has a peak torque rating of 545ft-lbs. With the SPEC single-mass flywheel the limitations of the stock flywheel are eliminated. The clutch in this Stage 2+ kit is self-adjusting, like the factory design, and the engagement point can be adjusted. The clutch disc has a sprung hub so it can be used with the single-mass flywheels with near-stock levels of noise, vibration, and refinement. See comments below for characteristics of each.

The Stage 2+ can be configured a few different ways depending on how you intend to use the car -

#SB533H-2 VariantUseComments
"Sport"
SPEC steel flywheel
daily driving;
occassional drag strip
Use this with the SPEC steel single-mass flywheel.
The clutch will be stiffer than the factory design but it will grab harder and stay connected with far less chance of slippage. The engagement point is changed but most drivers adjust within the first 100 miles. The failure-prone dual-mass flywheel is eliminated and a steel single-mass is used instead. Expect more noise and vibration from the steel but better reliability and slightly better performance.
"Super Sport"
SPEC aluminum flywheel
more drag strip than streetUse this with the SPEC aluminum single-mass flywheel.
The clutch will be stiffer than the factory design but it will grab harder and stay connected with far less chance of slippage. The engagement point is changed but most drivers adjust within the first 100 miles. The failure-prone dual-mass flywheel is eliminated and a lightweight aluminum single-mass is used instead. Expect a lot more noise and vibration with aluminum ("gearbox rattle") but better reliability and better performance. The engine will rev a lot faster too.

This clutch is what we recommend if your tuning plans will only be bolt-on upgrades and you want to eliminate the dual-mass flywheel (as a potential failure point). If you plan to go beyond bolt-ons, such as upgrading turbos or single turbo, we strongly recommended using the Stage 3+ clutch. The Stage 2+ offers the best drivability for 90% of the tuned 335s out there but when going beyond bolt-on upgrades it would be best to go to a more advanced clutch stage.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcore enthusiasts around the globe.

E9X 335 SPEC Clutch Stage 2+ Kit contents:
+ carbon/semi-metallic and Kevlar clutch disc
+ heavy-duty pressure plate
+ heavy duty throw-out bearing
+ pilot bearing
+ clutch fork
+ alignment tool

Additional items we recommend:
pressure plate mounting bolts
flywheel mounting bolts (if removing flywheel)
ball pin
spring clip
rear main seal (if car has more than 70,000 miles)
input shaft seal
output shaft seal
exhaust gaskets

This item fits the following BMWs:
2008-2013 E82 BMW 135i 135is 1M Coupe
2007-2013 E90 BMW 335i 335xi 335i xDrive - Sedan
2007-2013 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
2007-2013 E93 BMW 335i 335is - Convertible
2008-2010 E60 BMW 535i 535xi 535i xDrive
2009+ E89 Z4 Z4 35i Z4 35is (from February 2009 production date)
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Spec Aluminum Single Mass Flywheel
For vehicles with production date from 01/2009
Spec Clutches - Corporate Logo
T#:589576
Part#: SB53A-4
Ships in 3 Business Days
$ 639.99 USD
Free Shipping
$ 639.99 USD
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Six Bolt Flywheel - NOTE: Not for models with the DCT transmission
ACT - Corporate Logo
T#:825815
Part#: BM14-XTR6
In Stock
$ 916.00 USD
Free Shipping
$ 916.00 USD
Free Shipping

Advanced Clutch Technology (ACT) designs, engineers and develops products by leveraging decades of track and performance street experience. Advanced CAD, FEA simulation, and CAM tools help ensure highly optimized performance, reliability, and repeatability. These key advantages are produced by combining the best engineering and design methodologies with the latest in materials and manufacturing techniques.

ACT clutch kits stand unequaled in terms of consistent pedal feel, high torque capacity, long wear life and durability. In-house manufacturing is critical in tuning components specifically to each individual application while maintaining the predictable ACT pedal feel across the entire catalog.

This clutch kit features an Xtreme pressure plate and an R6 racing clutch disc.

Their Xtreme pressure plate offers a 50-120% clamp load increase, moderate to heavy pedal feel, and is recommended for high performance street and racing applications. All diaphragms went through a four stage heating process for increased strength and unparalleled performance.

Next in this kit is the R6 racing clutch disc. This disc is an unsprung, rigid disc with 6 pads that is best suited for drag and road racing and handles heat better thanks to its increased surface contact area versus the 4 pad version of this disc, the R4. The R6 pads are composed of ceramic friction materials and the disc has a chome-moly hub that is heat treated for additional strength under high load engagements. Over stock, this disc is much better for faster shifting and significantly higher torque loads. Unlike the stock disc, this racing disk has a slightly shortened life span due to its rigid design and pad composition. This in turn is offset thanks to its fast, aggressive engagement for track use.

Clutch Kit Specs:

  • Torque Rating: 665 ft/lbs
  • 117% torque capacity increase over stock!
  • Type of Disc: Racing
  • 26-count spline
  • Spline Size: 1-3/8" inch
  • Disc Weight: 4 lbs
  • Pressure Plate Weight: 10.7 lbs
  • 1 year Warranty from retail purchase date!
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BMW E60 E9X XACT Flywheel Streetlite
For vehicles with a 8 bolt flywheel and build date of 01/2009 or earlier
ACT - Corporate Logo
T#:637014
Part#: 601180
In Stock at Vendor
$ 944.00 USD
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$ 944.00 USD
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BMW E60 E9X XACT Flywheel Streetlite is an advanced performance flywheel engineered to offer substantial improvements over stock components. This lightweight flywheel is designed for durability and enhanced performance, making it an excellent choice for both street driving and drag racing.

  • Lightweight Construction: Significantly lighter than the stock flywheel, reducing rotational mass for improved engine response and acceleration.
  • Durable Design: Crafted for maximum strength, lower inertia, and excellent heat tolerance, ensuring long-lasting performance.
  • Versatile Use: Ideal for street or drag racing applications, providing reliable performance across various driving conditions.
  • Serviceable: Can be resurfaced, eliminating the need for additional parts and extending the lifespan of the flywheel.
  • Included Hardware: Comes with flywheel bolts (M12-1.5 X 30mm) for convenient installation.

Upgrade your BMW with the BMW E60 E9X XACT Flywheel Streetlite for enhanced performance and durability.

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Spec Clutches - Corporate Logo
T#:381004
Part#: SB453H
Ships in 3 Business Days
$ 849.00 USD
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$ 849.00 USD
Free Shipping

Enhance Vehicle Performance with SPEC Clutch Kit

Upgrade your vehicle's performance with the SPEC clutch kit, engineered to efficiently transfer power to the wheels during high-performance driving scenarios. Prevent premature wear and slippage with this kit, offering a torque capacity of up to 456ft.lbs. When combined with the SPEC lightweight aluminum flywheel, experience rapid and efficient engagement.

Designed for a variety of applications including street, drag, autocross, road racing, pulling, rallye, and drift, this kit bridges the gap between stage 2 and stage 3, delivering enhanced drivability and engagement quality.

Key Features:

  • Multi-friction disc with carbon semi-metallic and Kevlar
  • 15-20% higher torque capacity than stage 2 clutches
  • Double sprung hub with spring cover relieves for flexibility
  • Heat-treated components for enhanced strength and durability

Experience increased acceleration, reduced turbo lag, improved mid-range torque, and decreased parasitic drag for increased crank efficiency with the SPEC clutch kit. Compatible with vehicles manufactured between 2006-2009.

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ACT - Corporate Logo
T#:552756
Part#: BM2-HDSS
In Stock at Vendor
$ 673.00 USD
Free Shipping
$ 673.00 USD
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Advanced Clutch Technology (ACT) designs, engineers and develops products by leveraging decades of track and performance street experience. Advanced CAD, FEA simulation, and CAM tools help ensure highly optimized performance, reliability, and repeatability. These key advantages are produced by combining the best engineering and design methodologies with the latest in materials and manufacturing techniques.

ACT clutch kits stand unequaled in terms of consistent pedal feel, high torque capacity, long wear life and durability. In-house manufacturing is critical in tuning components specifically to each individual application while maintaining the predictable ACT pedal feel across the entire catalog.

This clutch kit is their most popular and features a Heavy Duty pressure plate and a Performance Street sprung clutch disc.

**Must be used with an ACT XACT Streetlite Flywheel, Part number: 600315**

The heavy duty pressure plate included offers a 20-50% clamp load increase, stock-moderate  pedal feel, and heat treated diaphragms for increased strength and performance.

Next in this kit is the Performance Street clutch disc. This is the most popular sprung clutch disc and features high quality organic friction material with a high copper content for improved heat transfer and a steel backed lining for increased strength in burst load circumstances. This organic clutch disc has a significantly higher torque capacity than a stock disc but still retains a long life span and operates quietly and reliably.

Clutch Kit Specifications:

  • Part Number: BM2-HDSS
  • Description: HD/Perf Street Sprung
  • Torque Capacity (ft/lbs.): 270
  • Torque Capacity Over OE: 20%
  • Disc Type: Street Disc
  • Spline Count: 14
  • Spline Size (in.): 1
  • Disc Diameter (in.): 8.4
  • Disc Diameter (mm.): 214
  • Pressure Plate Type: Heavy Duty
  • Product Weight (lbs.): 11.1
  • Kit Contents: 3000802ATGM06B012RB131
  • Warranty (Product Warranty): One (1) Year from Retail Purchase
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ACT - Corporate Logo
T#:552760
Part#: BM2-HDG6
Ships in 6 Business Days
$ 693.00 USD
Free Shipping
$ 693.00 USD
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Advanced Clutch Technology (ACT) designs, engineers and develops products by leveraging decades of track and performance street experience. Advanced CAD, FEA simulation, and CAM tools help ensure highly optimized performance, reliability, and repeatability. These key advantages are produced by combining the best engineering and design methodologies with the latest in materials and manufacturing techniques.

ACT clutch kits stand unequaled in terms of consistent pedal feel, high torque capacity, long wear life and durability. In-house manufacturing is critical in tuning components specifically to each individual application while maintaining the predictable ACT pedal feel across the entire catalog.

This clutch kit features a Heavy Duty pressure plate and a G6 racing clutch disc.

**Must be used with an ACT XACT Streetlite Flywheel, Part number: 600315**

The heavy duty pressure plate included offers a 20-50% clamp load increase, stock-moderate  pedal feel, and heat treated diaphragms for increased strength and performance.

Next in this kit is the G6 racing clutch disc. This disc is a sprung, 6-pad disc that is suited for high horsepower road and track style racing and is also better at handling higher heat versus the 4-pad version of this disc, the G4. The G6 pads are composed of ceramic friction materials and the disc has a chome-moly hub that is heat treated for additional strength under high load engagements. Also featured are heavy duty torsional springs that are rated for the clutch kit's expected uses. Over stock, this clutch kit has a much higher torque capacity and is better for quick shifting thanks to lower weight and inertia. Despite its ceramic racing style pads, this disc has great durability. In turn, these pads provide higher heat tolerances and faster, more aggressive clutch engagements.

Specifications:

  • Part Number: BM2-HDG6
  • Description: HD/Race Sprung 6 Pad
  • Torque Capacity (ft/lbs.): 345
  • Torque Capacity Over OE: 54%
  • Disc Type: Race Disc
  • Spline Count: 14
  • Spline Size (in.): 1
  • Disc Diameter (in.): 8.4
  • Disc Diameter (mm.): 214
  • Pressure Plate Type: Heavy Duty
  • Product Weight (lbs.): 11.8
  • Kit Contents: 6214122ATGM06B012RB131
  • Warranty (Product Warranty): One (1) Year from Retail Purchase
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ACT - Corporate Logo
T#:552763
Part#: 600315
In Stock at Vendor
$ 574.00 USD
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$ 574.00 USD
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600315 is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACT's Streetlite flywheels are preferred for street or drag racing. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.

Feel: Noticeably improved engine response and acceleration, OE to mild gear rattle;

Life: Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life;

Quality: One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears;

Recommended Use: Recommended for street and race use;

ACT Difference: Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability;

 

For use with ACT clutch kits only.

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HD/Race Sprung 6 Pad
Must be used with ACT Flywheel 601010 or 601015
ACT - Corporate Logo
T#:567300
Part#: BM9-HDG6
Ships in 6 Business Days
$ 935.00 USD
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$ 935.00 USD
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BM9-HDG4 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use an exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT's 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines.
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Spec Clutches - Corporate Logo
T#:7036583
Part#: SBB58S-2
Ships in 3 Business Days
$ 748.00 USD
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$ 748.00 USD
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These kits feature a non-SAC mechanism pressure plate, which , deviating from the original design, provides a lighter rotating assembly, higher rpm capability and greater clamp load levels. Required for the install is a billet rebuildable flywheel that features a lightweight, low MOI design and infinite rebuildability. The billet aluminum flywheel weighs 14lbs, and billet steel 22 lbs.
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Spec Clutches - Corporate Logo
T#:340432
Part#: SB031
Ships in 3 Business Days
Starting at $ 749.00 USD
Free Shipping
Starting at $ 749.00 USD
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The SPEC Stage 1 clutch is a premium, no compromises SPORT clutch upgrade for the 2001-2003 E46 330i/ci (5-speed transmission). Where the stock clutch is well-known for premature wear when driven hard and the factory dual mass flywheel is a known failure point, the SPEC clutch delivers with an over-engineered, performance-oriented clutch solution. The single carbon-Kevlar clutch is rated at 430 ft-lbs, more than enough for a naturally-aspirated M54 engine. A heavy-duty pressure plate and throw-out bearing complete the package.

The stock 330 clutch was not designed for performance. It works fine for a daily driver street car with no mods but performance and longevity quickly drop off when adding more power or using the car for aggressive street, autocross, or track use. A lot of our customers also hate the self-adjusting clutch (SAC) mechanism and the clutch delay valve that makes clutch engagement inconsistent and unnatural feeling. It's no wonder that for the Grand-Am Cup touring car races the rules specified an E36 M3 clutch! If you're unhappy with the stock clutch feel or your future plans include additional upgrades that boost torque, then a heavy-duty clutch is what will be needed. The SPEC Stage 1 clutch consists of a hybrid carbon-Kevlar and organic friction material paired with a heavy-duty pressure plate. The clutch is stronger and grabs harder than the factory clutch. It has a much more robust feel and engagement. And with this specification the clutch will never be a weak point. The SPEC clutch is designed to work with the stock dual mass flywheel or with a lightweight aluminum single-mass flywheel.

The real weak point in the driveline is in the flywheel. The stock dual-mass flywheel has rubber damper discs inside that will wear out over time. Heat and aggressive driving will accelerate their wear. Even if the clutch contact surface is not showing wear the inner rubber linings most likely are. On most clutch replacements we strongly advise getting a new flywheel at the same time to avoid duplicating the work. You can use the SPEC clutch with the stock or an aluminum flywheel. A machined steel flywheel is also an option as a middle ground. Both the SPEC steel and aluminum flywheels are lighter than stock and will be single-mass. There will be a lot more noise and 'gearbox chatter' with the aluminum but the tradeoff is a much better acceleration and quicker revving. For daily driver commuting you will probably be happiest with the stock flywheel. For the ultimate in sports car feel use the aluminum.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcare enthusiasts around the globe.

E46 330 SPEC Clutch Kit contents:
+ carbon-Kevlar clutch disc
+ heavy-duty pressure plate
+ heavy duty throw-out bearing

This item fits the following BMWs:
2001-2003 E46 BMW 330i 330ci 330xi only for 5-speed manual transmission
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Spec Clutches - Corporate Logo
T#:1120840
Part#: SB63SST
Ships in 3 Business Days
$ 1,589.00 USD
Free Shipping
$ 1,589.00 USD
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The SPEC Super Twin is for street and track use in cars with extreme horsepower and torque (700-1500 ft-lbs tq). The Super Twin offers near-stock drivability, tremendous life expectancy, a no shimming/setup bolt-in installation and maintenance-free operation. With all billet construction, these units are smooth and quiet. The units are rebuildable by SPEC or the end user and replacement components or rebuild services are always available. The super twin is constructed with aircraft-grade aluminum and high carbon billet steel milled to an industry-leading .001 inch for perfect balance and actuation. Friction is provided by dampened, full-faced carbon graphite discs. Organic, fiber, and full metallic options are available. Flywheel and track-spec hardware are included in each kit. Types of driving: street, drag, drift, road racing, time attack, pulling, and Rallye.
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Spec Clutches - Corporate Logo
T#:384447
Part#: SB532
Ships in 3 Business Days
$ 889.00 USD
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$ 889.00 USD
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SPEC's Stage 2 clutch features a full faced pure Kevlar disc complete with steel backing. This lining offers outstanding driveability like the Stage 1 kit, with an increased torque capacity and a longer life. The hub is double sprung with built-in spring reliefs for flexibility, along with a heat treatment for added strength and durability. This clutch is best served in any situation from daily driven on the street, to drag or autocross racing events.

Kit includes:

Pressure plate
Clutch disc
Pilot bearing
Clutch Release bearing
Clutch Alignment tool
Clutch fork
Designed to be used with a stock dual mass flywheel or any billet single mass designed for a factory style clutch.

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Spec Clutches - Corporate Logo
T#:384613
Part#: SB533F
Ships in 3 Business Days
$ 999.00 USD
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$ 999.00 USD
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Upgrade your BMW's performance with this stage 3+ clutch kit, boasting a carbon semi-metallic full-faced material for unmatched life, friction coefficient, and drivability. The double-sprung hub enhances flexibility with spring cover relieves, while heat-treated components in both hubs ensure strength and durability. Ideal for various driving scenarios, including street, drag, drift, autocross, road racing, pulling, rallye, and more.

  • Carbon semi-metallic material for extended life and optimal friction
  • Double-sprung hub with spring cover relieves for enhanced flexibility
  • Heat-treated components in both hubs for increased strength and durability
  • Suitable for street, drag, drift, autocross, road racing, pulling, rallye, and more
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Spec Clutches - Corporate Logo
T#:340445
Part#: SB663HSMG
Ships in 3 Business Days
Starting at $ 879.00 USD
Free Shipping
Starting at $ 879.00 USD
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The SPEC Stage 2 clutch is a premium, no compromises heavy-duty clutch upgrade for the 2001-2006 E46 M3 (SMG transmission). Where the stock clutch is well-known for premature wear when driven hard and the factory dual mass flywheel is a known failure point, the SPEC clutch delivers with an over-engineered, performance-oriented clutch solution. The single carbon-Kevlar clutch is rated at 545 ft-lbs, more than enough for the naturally-aspirated S54 engines. A heavy-duty pressure plate and throw-out bearing complete the package.

The stock clutch in the S54 cars is not a terrible clutch and it is not under-rated (it's the same clutch disc used in the E39 M5). Our tuned M3 street and race cars have used the stock clutch with almost 400hp with only the occassional slip. But if the clutch is not grabbing like you want it to, or your tuning plans will include forced induction, a heavy-duty clutch is what will be needed. The SPEC Stage 2 clutch consists of a carbon-Kevlar friction material paired with a heavy-duty pressure plate. The clutch is stronger and grabs harder than the factory clutch. It has a much more robust feel and engagement. And with this specification the clutch will never be a weak point. The SPEC clutch is designed to work with the stock dual mass flywheel or the SPEC single-mass flywheel (steel or aluminum).

The real weak point in the driveline is in the flywheel. The stock dual-mass flywheel has rubber damper discs inside that will wear out over time. Heat and aggressive driving will accelerate their wear. Even if the clutch contact surface is not showing wear the inner rubber linings most likely are. On most clutch replacements we strongly advise getting a new flywheel at the same time to avoid duplicating the work. You can use the SPEC clutch with the stock or SPEC flywheel. Both the SPEC steel and aluminum flywheels are lighter than stock and will be single-mass. There will be a lot more noise and 'gearbox chatter' with the aluminum but the tradeoff is a much better acceleration and quicker revving. For daily driver commuting you will probably be happiest with the stock flywheel. For the ultimate in sports car feel use the aluminum. For the best of both worlds select the SPEC steel flywheel. It will not fail like the dual mass design but still has enough mass to dampen most engine vibrations.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcare enthusiasts around the globe.

E46 M3 SPEC Clutch Kit contents:
+ carbon-Kevlar clutch disc
+ heavy-duty pressure plate
+ heavy duty throw-out bearing

This item fits the following BMWs:
2001-2006 E46 BMW M3 with SMG
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ACT - Corporate Logo
T#:567306
Part#: BM9-HDSSKT
In Stock at Vendor
$ 1,645.00 USD
Free Shipping
$ 1,645.00 USD
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Every design is thoroughly researched and tested prior to release to guarantee their products meet and exceed the customer's expectations. Careful attention is payed to factors such as engine torque, maximum RPM, drive type (FWD, RWD, AWD), and the type of driving being done, such as street, sport, track events, racing, etc. ACT's clutch kits are competitively priced, often with  specifications greater than competitor's and at a higher quality.

This clutch kit features a Xtreme pressure plate, an G6 racing clutch disc, and an XACT Streetlite Flywheel.

Their Xtreme pressure plate offers a 50-120% clamp load increase, moderate to heavy pedal feel, and is recommended for high performance street and racing applications. All diaphragms went through a four stage heating process for increased strength and unparalleled performance.

The G6 clutch disc is a sprung, 6-pad racing disc that is recommended for high horsepower street and race us and is better at handling high heat than the 4-pad disc. Its material composition is high quality, ceramic friction materials and a heavy duty torsional dampening springs that are rate for this clutch disc's size and expected uses. It has an increased torque capacity, and is better for faster shifting with its low weight and inertia. Being a racing disc, it has good durability and its ceramic composition allows for high heat tolerances. It also has a fast, aggressive engagement in comparison to standard street-use clutch discs.

The XACT Streetlite Flywheel is their most popular flywheel as it is great for both street and drag racing. It allows your engine to rev quicker, giving you increased throttle response, and is considerably lighter than your stock flywheel thanks to its light single-mass design, all while still being very durable!

Clutch Kit Specs:

  • Torque Rating: 465 ft/lbs
  • 52% torque capacity increase over stock!
  • Type of Disc: Street
  • 10-count spline
  • Spline Size: 1-3/8" inch
  • Flywheel Weight: 15.1 lbs
  • 1 year Warranty from retail purchase date!
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Spec Clutches - Corporate Logo
T#:340436
Part#: SB072-2
Ships in 3 Business Days
Starting at $ 639.00 USD
Free Shipping
Starting at $ 639.00 USD
Free Shipping
The SPEC Stage 2 clutch is a premium, no compromises heavy-duty clutch upgrade for the 2006+ N52 E9X 325/328/330i. Where the stock clutch will slip under hard conditions and the factory dual mass flywheel is a known failure point, the SPEC clutch delivers with an over-engineered, performance-oriented clutch solution. The single carbon-Kevlar clutch is rated at 485 ft-lbs, more than enough for the naturally-aspirated N52 engines. A heavy-duty pressure plate and throw-out bearing complete the package.

The stock clutch in the N52 cars is not a terrible clutch and it is not under-rated. Our tuned 330i street and race cars have used the stock clutch with close to 300hp with only the occassional slip. But if the clutch is not grabbing like you want it to, or your tuning plans will include forced induction, a heavy-duty clutch is what will be needed. The SPEC Stage 2 clutch consists of a carbon-Kevlar friction material paired with a heavy-duty pressure plate. The clutch is stronger and grabs harder than the factory clutch. It has a much more robust feel and engagement. And with this specification the clutch will never be a weak point. The SPEC clutch is designed to work with the stock dual mass flywheel or with a lightweight aluminum single-mass flywheel.

The real weak point in the driveline is in the flywheel. The stock dual-mass flywheel has rubber damper discs inside that will wear out over time. Heat and aggressive driving will accelerate their wear. Even if the clutch contact surface is not showing wear the inner rubber linings most likely are. On most clutch replacements we strongly advise getting a new flywheel at the same time to avoid duplicating the work. You can use the SPEC clutch with the stock or aluminum flywheel. The aluminum is quite a bit lighter than stock and will be single-mass. There will be a lot more noise and 'gearbox chatter' with the aluminum but the tradeoff is a much better acceleration and quicker revving. For daily driver commuting you will probably be happiest with the stock flywheel. For the ultimate in sports car feel use the aluminum.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcare enthusiasts around the globe.

E9X 325/328/330 SPEC Clutch Kit contents:
+ carbon-Kevlar clutch disc
+ heavy-duty pressure plate
+ heavy duty throw-out bearing

This item fits the following BMWs:
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2013 E93 BMW 328i - Convertible
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Spec Clutches - Corporate Logo
T#:340441
Part#: SB533H
Ships in 3 Business Days
Starting at $ 899.00 USD
Free Shipping
Starting at $ 899.00 USD
Free Shipping
Tuning your N54/N55 with all of the bolt-on upgrades? Don't allow your clutch to let you down! The stock clutch is fine for a stock car or just a simple software upgrade. But anything more and it quickly becomes the weak link (especially with drag races or hard launches). The 135i/335i/535i/Z4 35i SPEC Stage 2+ clutch kit is perfect for owners who want a performance clutch that works great with simple bolt-on modifications and will have a minimum of downsides or trade-offs. SPEC has spent considerable time and effort on the 335i models to produce a performance clutch that holds up to track and drag strip demands but is also easy to live with for daily driving. This clutch kit is meant to be used only with the stock dual-mass flywheel and is the most user-friendly of the SPEC clutches we offer for the 135/335/535/Z4.

What was most important to them was offering a kit that has stock-like clutch pedal effort but will grab and hold when the car has been mildly tuned. Full bolt-on upgrades like software, intake, FMIC, E85 mix, or methanol demand a better clutch. The Stage 2+ has a peak torque rating of 545ft-lbs but note that the stock dual-mass flywheel will be a limiting factor to how much torque you can use. There have been cases of high mileage or abused flywheels coming apart with high torque tuned engines. We recommend using a new factory flywheel or jumping to the SPEC single-mass flywheel. The clutch in this Stage 2+ kit is self-adjusting, like the factory design, and the engagement point can be adjusted. The clutch disc is a rigid hub (not spring loaded) so it's best used with the stock dual mass flywheel.

This clutch is what we recommend if your tuning plans will only be bolt-on upgrades. If you plan to go beyond bolt-ons, such as upgrading turbos or single turbo, we strongly recommended using the Stage 3+ clutch. The Stage 2+ offers the best drivability for 90% of the tuned 335s out there but when going beyond bolt-on upgrades it would be best to go to a more advanced clutch stage.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcore enthusiasts around the globe.

E9X 335 SPEC Clutch Stage 2+ Kit contents:
+ carbon/semi-metallic and Kevlar clutch disc
+ heavy-duty pressure plate
+ heavy duty throw-out bearing
+ pilot bearing
+ clutch fork
+ alignment tool

Additional items we recommend:
pressure plate mounting bolts
flywheel mounting bolts (if removing flywheel)
ball pin
spring clip
rear main seal (if car has more than 70,000 miles)
input shaft seal
output shaft seal
exhaust gaskets

This item fits the following BMWs:
2008-2013 E82 BMW 135i 135is 1M Coupe
2007-2013 E90 BMW 335i 335xi 335i xDrive - Sedan
2007-2013 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
2007-2013 E93 BMW 335i 335is - Convertible
2008-2010 E60 BMW 535i 535xi 535i xDrive
2009+ E89 Z4 Z4 35i Z4
35is (from February 2009 production)
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Spec Clutches - Corporate Logo
T#:340439
Part#: SB104
Ships in 3 Business Days
Starting at $ 454.00 USD
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Starting at $ 454.00 USD
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The SPEC Stage 4 clutch is designed for race and track use where light weight and a grippy clutch material are paramount to quiet and smooth operation on the street. The Stage 4 is popular in the SpecE30 racing series and for other track cars. It uses a rigid center hub with 6 clutch pucks and no springs instead of a full clutch disc. This makes the whole assembly lighter and simpler (less likely for a failure). The friction material is rated at 425 ft-lbs, more than enough for a naturally-aspirated E30. A heavy-duty pressure plate and throw-out bearing complete the package. If clutch or flywheel woes are keeping you from getting the most from your E30 this is the clutch you should be using.

The stock clutch in the M20 E30 is not terrible but can become quickly overheated and lead to glazing on the flywheel surface and inconsistent engagement. A more robust material is needed to handle the extreme temperatures found at the track. The SPEC Stage 4 clutch consists of a carbon/semi-metallic friction material paired with a heavy-duty pressure plate. The clutch is stronger and grabs harder than the factory clutch. It has a much more robust feel and engagement. And with this specification the clutch will never be a weak point. The clutch is rebuildable to help minimize consumable costs. The SPEC clutch is designed to work with the stock dual mass flywheel or the SPEC single-mass aluminum flywheel. If this is for racing, check your rules to confirm which flywheel can be used.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcare enthusiasts around the globe.

E30 325i SPEC Clutch Kit contents:
+ carbon/semi-metallic 6-puck clutch disc (rigid center hub)
+ heavy-duty pressure plate
+ heavy duty throw-out bearing

This item fits the following BMWs:
1987-1991 E30 BMW 325i 325is
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Spec Clutches - Corporate Logo
T#:340438
Part#: SB103F
Ships in 3 Business Days
Starting at $ 604.00 USD
Free Shipping
Starting at $ 604.00 USD
Free Shipping
The SPEC Stage 3+ clutch is designed for tuned street or race/track cars that require a serious and capable clutch. The Stage 3+ uses a full-face semi-metallic and carbon clutch for strong engagement and high torque capacity (it's rated for 493 ft-lbs). Stage 3+ differs from the Stage 3 by having a full face clutch surface instead of a 6-puck layout. It's smoother and easier to engage than the regular Stage 3 or Stage 4 and popular among the turbo E30 crowd.

The stock clutch in the M20 E30 is not terrible but can become quickly overheated and lead to glazing on the flywheel surface and inconsistent engagement. A more robust material is needed to handle the extreme temperatures found at the track. The SPEC Stage 3 clutch consists of a carbon/semi-metallic friction material paired with a heavy-duty pressure plate. The clutch is stronger and grabs harder than the factory clutch. It has a much more robust feel and engagement. And with this specification the clutch will never be a weak point. The SPEC clutch is designed to work with the stock dual mass flywheel or the SPEC single-mass aluminum flywheel.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcare enthusiasts around the globe.

E30 325i SPEC Clutch Kit contents:
+ carbon/semi-metallic full-face clutch disc (sprung hub)
+ heavy-duty pressure plate
+ heavy duty throw-out bearing

This item fits the following BMWs:
1987-1991 E30 BMW 325i 325is
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Spec Clutches - Corporate Logo
T#:340440
Part#: SB533F-2
In Stock at Vendor
Starting at $ 1,578.00 USD
Free Shipping
Starting at $ 1,578.00 USD
Free Shipping
The SPEC Stage 3+ clutch has been engineered to stay in step with the above average upgrades done on the 135/335/535/Z4 35i. Everyone knows that adding large amounts of boost and torque will expose weaknesses in other areas - the clutch being near the top of the list. The factory clutch works just fine on a stock 335 or with a mild upgrade like software and intake. But when you get into serious torque levels the stock clutch simply can't handle it. SPEC has focused heavily on the 335 market with 5 stages of upgraded 335 clutches. Stage 2+ is our favorite for mildly-tuned 335s, offering near stock levels of refinement and ample torque capacity (rated for 545ft-lbs). But when going beyond the usual bolt-on upgrades you need to look at your weakest links. The Stage 3+ clutch is rated for 671 ft-lbs. This clutch kit is meant to be used only with a SPEC flywheel (not the stock flywheel).

The Stage 3+ is for cars making serious levels of boost and torque. If you have upgraded turbos or a single-turbo conversion, or have checked off the list of full bolt-ons, this will be a very capable clutch for you. This clutch is designed to work only with a SPEC single-mass flywheel and avoid the pitfalls of the stock OEM flywheel. The stock dual mass flywheel uses springs and rubber to isolate vibrations from the engine and transmission. However, on high mileage or abused flywheels the rubber can break down and the springs will become weak. A worn dual mass flywheel limits the amount of torque you can put out. It will affect clutch engagement, shifts, and power delivery. In some cases a total flywheel failure can rip apart the flywheel, clutch, and even transmission housing. With the SPEC single-mass flywheel the limitations of the stock flywheel are eliminated. The SPEC flywheel is a single mass design (no internal springs or rubber to fail) and is offered in a steel or aluminum material. The steel will better dampen vibration than the aluminum so it's the better choice for street use. The aluminum will have greater vibration and noise (gearbox rattle) that may not be acceptable for everyone. The clutch in this Stage 3+ kit is a sprung hub design so SPEC has done all they can to minimize the noise and vibration. It's also self-adjusting, like the factory design, and the engagement point can be adjusted. See comments below for characteristics of each.

The Stage 3+ can be configured a few different ways depending on how you intend to use the car -

#SB533F-2 VariantUseComments
"Sport"
SPEC steel flywheel
daily driving;
occassional drag strip
Use this with the SPEC steel single-mass flywheel.
The clutch will be stiffer than the factory design but it will grab harder and stay connected with far less chance of slippage. The engagement point is changed but most drivers adjust within the first 100 miles. The failure-prone dual-mass flywheel is eliminated and a steel single-mass is used instead. Expect more noise and vibration from the steel but better reliability and slightly better performance.
"Super Sport"
SPEC aluminum flywheel
more drag strip than streetUse this with the SPEC aluminum single-mass flywheel.
The clutch will be stiffer than the factory design but it will grab harder and stay connected with far less chance of slippage. The engagement point is changed but most drivers adjust within the first 100 miles. The failure-prone dual-mass flywheel is eliminated and a lightweight aluminum single-mass is used instead. Expect a lot more noise and vibration with aluminum ("gearbox rattle") but better reliability and better performance. The engine will rev a lot faster too.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcore enthusiasts around the globe.

E9X 335 SPEC Clutch Stage 2+ Kit contents:
+ carbon/semi-metallic clutch disc
+ heavy-duty pressure plate
+ heavy duty throw-out bearing
+ pilot bearing
+ clutch fork
+ alignment tool

Additional items we recommend:
pressure plate mounting bolts
flywheel mounting bolts (if removing flywheel)
ball pin
spring clip
rear main seal (if car has more than 70,000 miles)
input shaft seal
output shaft seal
exhaust gaskets

This item fits the following BMWs:
2008-2013 E82 BMW 135i 135is 1M
2007-2013 E90 BMW 335i 335xi 335i xDrive - Sedan
2007-2013 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
2007-2013 E93 BMW 335i 335is - Convertible
2008-2010 E60 BMW 535i 535xi 535i xDrive
2009+ E89 Z4 Z4 35i Z4 35is (from February 2009 production date)
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Performance Throw-out Bearing
2X Entries For Our G87 M2 Sweepstakes!
SACHS Performance - Corporate Logo
T#:583039
Part#: 53151600791
Ships in 5 Business Days
$ 104.00 USD
Free Shipping
$ 104.00 USD
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SACHS Performance - Corporate Logo
T#:393874
Part#: 881864002675KT
Ships in 6 Business Days
$ 1,037.99 USD
Free Shipping
$ 1,037.99 USD
Free Shipping

Ensure your clutch system can get the all of the power to the wheels. Stock clutch components lack the ability to transmit the full torque and horsepower loads to the wheels without suffering from increased wear and eventual clutch fade. Sachs Performance Clutch Kits are designed for sport and race applications, delivering higher torque transmission without succumbing to wear and tear and fading over extended periods of abuse.

Sachs Performance Clutch Kits include the following upgraded components:

  • Performance Pressure Plate - Increased clamping force and resistant to wear

  • Performance Clutch Disc - Allows for higher clamping force, higher torque transmission, and better clutch engagement at higher RPM’s

These kits are available with two different clutch discs, Organic and Metallic. Organic clutch discs are perfect for both performance street and light-moderate track applications. Metallic are designed for specifically for full-time track use such as endurance racing, clubsport, autocross, hill climbing and 1/4 mile racing. Please be sure you are purchasing the kit that best fits your needs. Our sales staff can help with any questions or concerns you may have!

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

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