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Titanium Exhaust Wrap - 2" X 25'
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Prosport Performance - Corporate Logo
T#:385025
Part#: HEA-WRAPKIT-25
Ships in 1 Business Day
$ 29.99 USD
Free Shipping on orders $49 and up

Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees! 

Key Features:

  • 2" wide x 1/16" thick
  • Durable, tightly woven, 100% fiberglass
  • Reduce under hood temperatures
  • Protect other engine components
  • Protect your hands/arms from burns
  • Each roll comes with 5 FREE, 14" long stainless steel zip ties
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Prosport Titanium Exhaust Wrap - 2" x 50
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T#:385019
Part#: HEA-WRAPKIT-50
Ships in 7 Business Days
$ 49.99 USD
Free Shipping on orders $49 and up
Constructed for durability with a tight weave, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility. Fiberglass is rated for 1200 degrees, however, this titanium wrap can withstand 1800 degrees!
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Spec SMF- STEEL (FOR USE WITH SPEC CLUTCH ONLY) N55
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Spec Clutches - Corporate Logo
T#:597416
Part#: SB55S-2
Back Ordered
$ 599.00 USD
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$ 599.00 USD
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Prosport Gold Heat Reflective Tape - 2" x 15'
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T#:385020
Part#: HEA-GWRAP-15
Back Ordered
$ 33.99 USD
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Constructed of laminated light-weight glass cloth, this gold reflective heat tape is designed to reflect 80% of radiant heat. With excellent pliability, this tape is easy to install. It's as simple as peel and stick.
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SPEC Billet Aluminum Single Mass Flywheel - E9X 335i, E82/88 135i, E6...
Fits cars with production date 2007 -01/2009, 8 bolt flywheel
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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.
Stage 1 Performance Clutch Kit (for SPEC single-mass flywheel) ...
For Use with a SPEC Single Mass Flywheel - Not designed for use with a OE Style Dual Ma...
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Spec Clutches - Corporate Logo
T#:397226
Part#: SB531-2
In Stock at Vendor
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
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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
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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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Stage 2+ Performance Clutch Kit (for SPEC single-mass flywheel) ...
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Spec Clutches - Corporate Logo
T#:211063
Part#: SB533H-2
In Stock at Vendor
$ 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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52mm Prosport Electrical Oil Pressure Gauge - Clear Lens/White LED ...
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Prosport Performance - Corporate Logo
T#:31390598
Part#: PSTOP270-12
In Stock at Vendor
$ 45.00 USD
Free Shipping on orders $49 and up

52mm Prosport Electrical Oil Pressure Gauge - Clear Lens/White LED provides precise monitoring of engine oil pressure, ensuring that drivers can detect issues before they become catastrophic. This high-quality gauge is crucial for tracking engine performance and preventing potential damage.

  • Accurate Oil Pressure Monitoring: Measures oil pressure from 0-100 PSI, helping to prevent engine damage by providing early warnings.
  • Clear Lens: Offers a clear and unobstructed view of the gauge readings, making it easy to monitor engine health at a glance.
  • White LED Backlighting: Enhances readability in low-light conditions with a bright and clear display.
  • Complete Kit: Includes sender, mounting hardware, visor, decals, and instructions for easy installation.
  • Durable Construction: Designed to withstand the demands of high-performance driving and continuous use.
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Digital Oil Pressure Gauge EVO Series - 0-150 Psi
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Prosport Performance - Corporate Logo
T#:389617
Part#: 216EVOEOP.PSI
In Stock
$ 124.99 USD
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$ 124.99 USD
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The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • Digital Oil Pressure Guage (0-150 PSI) 
  • Instructions
  • Mounting hardware
  • Decals
  • Premium Electric Sender 
  • Wiring harness adapter
  • Dual color display (Blue or Red)
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Stage 3 Performance Clutch Kit (for SPEC single-mass flywheel) ...
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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 12-16 BMW 335i (F30) Stage 2+ Clutch Kit
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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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EVO Series Digital Water Temperature Gauge - 80-280°F
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Prosport Performance - Corporate Logo
T#:389626
Part#: 216EVOWGWT.F
Ships in 2 Business Days
$ 78.99 USD
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$ 78.99 USD
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The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • Digital Water Temperature Guage (80-280 degrees) 
  • Instructions
  • Mounting hardware
  • Decals
  • Temperature sender - 1" long with 1/8" NPT threads
  • Dual color display (Green or White)
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Twin Disc PT-Trim Semi- Metallic Puck Clutch Kit - E82 E9X Z4 ...
For Vehicles with Production Date from 02/09 with 6 Bolt Crank
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Spec Clutches - Corporate Logo
T#:26538323
Part#: SB53PT-3
Ships in 3 Business Days
10% off MSRP $ 1,850.00

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

$ 1,665.00 USD
10% off MSRP
$ 1,850.00

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

$ 1,665.00 USD

Upgrade Your BMW with Spec Twin Disc PT-Trim Semi-Metallic Puck Clutch Kit SB53PT-3

Upgrade your BMW 135i / 335i with the Spec Twin Disc PT-Trim Semi-Metallic Puck Clutch Kit SB53PT-3, ideal for models from February 2009 to 2012. This Super Twin Disc Clutch Kit (SB53PT-3) by SPEC® boasts a PT-Trim design and includes a flywheel. Engineered for street and track use, it's suitable for high-horsepower and high-torque vehicles, offering near-stock drivability and long life expectancy. The bolt-in installation requires no shimming/setup and ensures maintenance-free operation. Constructed with aircraft-grade aluminum and high-carbon billet steel, this clutch kit guarantees perfect balance and actuation. Friction is provided by dampened, full-faced carbon graphite discs. Featuring organic, fiber, and full metallic options, it caters to various driving needs. Each kit includes a flywheel and track-spec hardware. SPEC® products are renowned for their quality and durability, providing years of trouble-free service. This clutch kit is designed to enhance your vehicle's performance and reliability.

  • Engineered to enhance vehicle performance
  • Made to stringent quality standards
  • Exceptional durability for long service life
  • Includes flywheel
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52mm Prosport Electrical Oil Pressure Gauge - 0-100 Psi Blue/White ...
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Prosport Performance - Corporate Logo
T#:31158801
Part#: 216BFWBOPSM.PSI
Ships in 2 Business Days
$ 69.99 USD
Free Shipping on orders $49 and up

52mm Prosport Electrical Oil Pressure Gauge - 0-100 PSI Blue/White is essential for accurate engine monitoring. Unlike factory gauges, which may only alert you after damage has occurred, this Prosport gauge provides real-time, precise oil pressure readings, allowing you to identify potential issues before they escalate.

  • Monitors engine oil pressure from 0 to 100 PSI.
  • Features blue and white illumination for clear visibility.
  • Includes sender, mounting hardware, visor, decals, and instructions.
  • Enhances engine monitoring and helps prevent damage.
  • Universal fitment may require modification for proper installation.
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EVO Series Digital Oil Temperature Gauge - 100-300°F
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Prosport Performance - Corporate Logo
T#:389634
Part#: 216EVOOT.F
Ships in 1 Business Day
$ 78.99 USD
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$ 78.99 USD
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The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • Digital Oil Temperature Guage (100-300 degrees) 
  • Instructions
  • Mounting hardware
  • Decals
  • Temperature sender - 1" long with 1/8" NPT threads
  • Dual color display (Blue or Red)
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Stage 3+ Performance Clutch Kit (for SPEC single-mass flywheel) ...
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Spec Clutches - Corporate Logo
T#:209171
Part#: SB533F-2
In Stock
$ 979.00 USD
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$ 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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BMW N54 N55 B58 SPEC Stage 2 Performance Clutch Kit (for SPEC single-...
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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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Spec Aluminum Single Mass Flywheel - E9X 335 (01/2009+)
For vehicles with production date from 01/2009
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Designed for use with SPEC SB53X-2 clutch kits
Spec Clutches - Corporate Logo
T#:342330
Part#: SB53A-3
Ships in 3 Business Days
$ 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.

E9X Stage 3+ Mini Twin Clutch Kit
For vehicles with manual transmission only
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Spec Clutches - Corporate Logo
T#:341291
Part#: SB93SST
Ships in 8 Business Days
$ 1,799.00 USD
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$ 1,799.00 USD
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Ensure optimal performance on the dragstrip or road course with the Spec Mini Twin Clutch Kit for your BMW M3. Stock clutches may falter under high RPM engagement or repeated launches, especially in modified or supercharged BMWs. The Spec Mini Twin clutch kit, featuring a double sprung hub and carbon semi-metallic friction surface, provides a lightweight solution with OEM-like pedal effort. Experience lightning-fast shifting, even at the top of your RPM range, making it ideal for aggressive drag strip launches or extended road course use. The kit includes an alignment tool and bearing for added convenience.

  • Spec Mini Twin Clutch Kit for BMW M3
  • Ideal for dragstrip and road course use
  • Lightweight design for improved performance
  • OEM-like pedal effort
  • Double sprung hub and carbon semi-metallic friction surface
  • Lightning-fast shifting at high RPM
  • Suitable for modified or supercharged BMWs
  • Includes alignment tool and bearing for convenience
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EVO Series Digital Oil Temperature Gauge - 100-300°F
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Prosport Performance - Corporate Logo
T#:389627
Part#: 216EVOWGOT.F
In Stock
$ 78.99 USD
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$ 78.99 USD
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The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • Digital Oil Temperature Guage (100-300 degrees) 
  • Instructions
  • Mounting hardware
  • Decals
  • Temperature sender - 1" long with 1/8" NPT threads
  • Dual color display (Green or White)
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EVO Series Universal Digital Water Temperature Gauge - 80-280°F ...
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Prosport Performance - Corporate Logo
T#:389633
Part#: 216EVOWT.F
In Stock
$ 78.99 USD
Free Shipping
$ 78.99 USD
Free Shipping

The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • Digital Water Temperature Guage (80-280 degrees) 
  • Instructions
  • Mounting hardware
  • Decals
  • Temperature sender - 1" long with 1/8" NPT threads
  • Dual color display (Blue or red)
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Prosport Electrical Oil Pressure Gauge - 0-100 Psi
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Prosport Performance - Corporate Logo
T#:584307
Part#: 216BFWAOPSM.PSI
In Stock
$ 69.99 USD
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$ 69.99 USD
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Ensure optimal engine monitoring for your BMW with the aftermarket 0-100 PSI gauge kit, offering enhanced visibility and early detection of potential issues. Avoid costly engine damage by monitoring engine functions at a glance, providing peace of mind and proactive maintenance.

  • Improves engine monitoring beyond factory gauge capabilities
  • Early detection of potential issues for preventive maintenance
  • Comprehensive kit includes sender, mounting hardware, visor, decals, and instructions
  • Compatible with BMW models for easy installation and reliable performance
  • Note: Consider our Oil Filter Adaptor Plate for easier sender installation; Subaru owners can use Oil Galley plugs for direct engine block screw-in.
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52mm Electric Boost Gauge - 30inHg~30 PSI Amber/White
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Prosport Performance - Corporate Logo
T#:587021
Part#: 216BFWAEBOSM.PSI
Ships in 1 Business Day
$ 80.99 USD
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$ 80.99 USD
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Enhance your BMW or MINI vehicle's performance monitoring with the 52mm Electric Boost Gauge - 30inHg~30 PSI Amber/White. This gauge provides accurate readings of boost pressure, ensuring you stay informed about your engine's performance at all times. With its stylish amber and white display, it not only looks sleek but also offers clear visibility day or night. Easy to install and compatible with a range of BMW and MINI models, this gauge is a must-have for enthusiasts looking to monitor their boost levels effectively.

  • Accurately monitors boost pressure from 30inHg to 30 PSI
  • Stylish amber and white display for clear visibility
  • Enhances vehicle performance monitoring capabilities
  • Easy installation process
  • Compatible with various BMW and MINI models

Upgrade your BMW or MINI with the 52mm Electric Boost Gauge - 30inHg~30 PSI Amber/White to keep track of your boost levels with precision and style.

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Prosport EVO Series Digital Boost Gauge - 30 InHg/35 PSI
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Prosport Performance - Corporate Logo
T#:389614
Part#: 216EVOWGBO.PSI
In Stock
$ 109.99 USD
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$ 109.99 USD
Free Shipping

The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • 52mm Digital Boost Pressure Guage (30inHg - 35 PSI) 
  • Instructions
  • Tubing Kit
  • T-adapter
  • Premium Electric Sender
  • Mounting hardware
  • Green or White display
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EVO Series Digital Volt Gauge - 8-18v
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Prosport Performance - Corporate Logo
T#:389632
Part#: 216EVOVO
In Stock
$ 71.99

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

$ 65.99 USD
Limited Qty Sale
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$ 71.99

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

$ 65.99 USD
Limited Qty Sale
Free Shipping

The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • Digital Fuel Pressure Guage (8-18v) 
  • Instructions
  • Mounting hardware
  • Decals
  • Dual color display (Blue or red)
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Prosport EVO Series Digital Boost Gauge - 30 InHg/35 PSI
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Prosport Performance - Corporate Logo
T#:389613
Part#: 216EVOBO.PSI
In Stock
$ 109.99 USD
Free Shipping
$ 109.99 USD
Free Shipping

The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • 52mm Digital Boost Pressure Guage (30inHg - 35 PSI) 
  • Instructions
  • Tubing Kit
  • T-adapter
  • Premium Electric Sender
  • Mounting hardware
  • Blue or Red display
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45mm Electric Boost Gauge - 30inHg~30 PSI
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Prosport Performance - Corporate Logo
T#:389622
Part#: 175CLSMARBO-R.PS
In Stock
$ 92.99 USD
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$ 92.99 USD
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In boosted applications, it's crucial to know the amount of boost pressure you are carrying in order to optimize performance. This 45mm boost gauge from Prosport is the best way to do just that. Featuring a black face, with amber back lighting it will portray your information accurately without blinding you in the process. This guage is designed to used precision electric sensors, so you get the most accurate reading every time. 

Key Features:

  • 270 degree dial sweep
  • Track tested and race proven
  • Full gauge sweep on start up
  • Black face, red needle, amber backlit
  • 30inHg to 30PSI
  • 45mm diameter
  • Includes: Tubing kit, T-Adapter, Electric Sender, quick connect pigtail wiring, Decal and Instructions.
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Spec Clutches Stage 3+ Clutch Kit - BMW E9X E82/88 335i/135i ...
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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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Prosport EVO Series Digital Wideband Air Fuel Gauge Kit - 10.0:1 To 2...
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Prosport Performance - Corporate Logo
T#:389623
Part#: 216EVOWGAFRWB4.9
Ships in 1 Business Day
$ 241.99 USD
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$ 241.99 USD
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The EVO series from ProSport Gauges utilizes the latest Bosch wideband 02 sensor -5 wire heated LSU 4.9. This gauge offers a 10.0:1 to 20.0:1 AFR readings; the widest range on the market! Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • AFR digital Gauge
  • Bosch 4.9  5 wire heated O2 sensor
  • Weld in Bung
  • Instructions
  • Wiring harness(Gauge to O2 sensor) 10 feet long
  • Plug and play wiring harness
  • Decals
  • 0-5 volt output signal for data logging
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Spec Clutches Stage 2 Clutch Kit - E9X 335i, E82/88 135i, E60 535i ...
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Spec Clutches - Corporate Logo
T#:384447
Part#: SB532
Ships in 3 Business Days
$ 889.00 USD
Free Shipping
$ 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 Aluminum Flywheel (SMF) (FOR USE WITH SPEC CLUTCH ONLY) 135 N55 ...
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Spec Clutches - Corporate Logo
T#:597417
Part#: SB55A-2
Ships in 3 Business Days
$ 637.00 USD
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Digital Air Fuel Ratio Kit-Amber LCD - 2-1/16" Wideband
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Prosport Performance - Corporate Logo
T#:26005242
Part#: PSAFRLCDWB4.9AMB
Ships in 1 Business Day
$ 218.99 USD
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Enhance your BMW's engine performance monitoring with the Wideband Air Fuel Ratio Gauge. This gauge features an Amber LCD Display and provides precise readings with its 0-5 volt output signal. Powered by the latest Bosch wideband O2 sensor, this gauge offers the widest range of AFR readings from 10.0:1 to 20.0:1. With its intuitive design, the gauge displays AFR levels in real-time, changing from green (Rich) to Yellow (Optimal) to Red (Lean) for immediate reference.

Key Benefits:

  • Wide range of AFR readings for comprehensive engine monitoring
  • Amber LCD display ensures clear visibility in various lighting conditions
  • Bar-graph LED indicators provide quick reference to AFR levels
  • Complete kit includes all necessary components for easy installation
  • Plug and play design for hassle-free setup
  • 0-5 volt output signal enables data logging for performance analysis

Upgrade your BMW's monitoring capabilities with the Wideband Air Fuel Ratio Gauge, providing accurate AFR readings and intuitive display features.

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EVO Series Digital Fuel Pressure Gauge - 0-100 Psi
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Prosport Performance - Corporate Logo
T#:389624
Part#: 216EVOWGEFP.PSI
Ships in 1 Business Day
$ 124.99 USD
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$ 124.99 USD
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The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • Digital Fuel Pressure Guage (0-100 PSI) 
  • Instructions
  • Premium fuel sender
  • Mounting hardware
  • Decals
  • Green or white display
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EVO Series Digital Volt Gauge - 8-18v
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Prosport Performance - Corporate Logo
T#:389625
Part#: 216EVOWGVO
Ships in 1 Business Day
$ 71.99 USD
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$ 71.99 USD
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The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • Digital Volt Gauge (8-18v) 
  • Instructions
  • Mounting hardware
  • Decals
  • Dual color display (Green or White)
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52mm Supreme Series Boost Gauge Kit - White/Amber with White Pointer/...
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Prosport Performance - Corporate Logo
T#:557080
Part#: 216CLSDWABOU-R.P
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$ 100.99 USD
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SPEC Stage 2+ Performance Clutch Kit (for SPEC single-mass flywheel) ...
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Spec Clutches - Corporate Logo
T#:340442
Part#: SB533H-2
In Stock at Vendor
Starting at $ 1,438.00 USD
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Starting at $ 1,438.00 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.

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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Prosport Fiberglass Exhaust Wrap - White - 2" x 50'
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Prosport Performance - Corporate Logo
T#:385017
Part#: HEA-WRAPKIT-WHT
In Stock at Vendor
$ 31.99 USD
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Constructed of durable, tight-woven fiberglass, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility.
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52mm Electric Boost Gauge - 30inHg~30 PSI Blue/White
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Prosport Performance - Corporate Logo
T#:31589423
Part#: 216BFWBEBOSM.PSI
In Stock at Vendor
$ 80.99 USD
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Spec Aluminum Single Mass Flywheel
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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
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$ 639.99 USD
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Six Bolt Flywheel - NOTE: Not for models with the DCT transmission

BMW / Supra A90 Stage 4 Performance Clutch Kit (for SPEC single-mass ...
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Spec Clutches - Corporate Logo
T#:568757
Part#: SB534-2
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$ 799.00 USD
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SPEC Stage 1 Performance Clutch Kit (for SPEC single-mass flywheel) ...
for use with SPEC billet flywheel
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Spec Clutches - Corporate Logo
T#:35525717
Part#: SB551-2
Back Ordered
$ 699.00 USD
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$ 699.00 USD
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BMW & MINI Digital Wideband Air Fuel Gauge Kit - 10.0:1 To 20.0:1 AFR...
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Prosport Performance - Corporate Logo
T#:389630
Part#: 216EVOAFRWB4.9
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$ 241.99 USD
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$ 241.99 USD
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The EVO series from ProSport Gauges utilizes the latest Bosch wideband 02 sensor -5 wire heated LSU 4.9. This gauge offers a 10.0:1 to 20.0:1 AFR readings; the widest range on the market! Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well. 

Kit Includes:

  • AFR digital Gauge
  • Bosch 4.9  5 wire heated O2 sensor
  • Weld in Bung
  • Instructions
  • Wiring harness(Gauge to O2 sensor) 10 feet long
  • Plug and play wiring harness
  • Decals
  • 0-5 volt output signal for data logging
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Prosport Fiberglass Exhaust Wrap - Black - 2" x 50'
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Prosport Performance - Corporate Logo
T#:385018
Part#: HEA-WRAPKIT-BLK
Ships in 1 Business Day
$ 28.00 USD
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Constructed of durable, tight-woven fiberglass, this heat wrap is designed to maintain proper thermal properties in your vehicles exhaust system. This material was hand selected specifically for it's heat characteristics and flexibility.
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52mm Prosport Electrical Boost Gauge - Clear Lens/White LED
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Prosport Performance - Corporate Logo
T#:31191884
Part#: PSTEBO270-12
In Stock at Vendor
$ 71.99 USD
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52mm Prosport Electrical Boost Gauge - Clear Lens/White LED is an essential tool for any supercharged or turbocharged vehicle. This precision gauge allows drivers to monitor boost levels with accuracy and style, ensuring peak performance and optimal engine tuning.

  • Accurate Boost Monitoring: Provides precise readings of boost pressure, essential for maintaining peak performance.
  • Clear Lens: Offers a clear view of gauge readings under various lighting conditions.
  • White LED Backlighting: Ensures easy readability and a stylish appearance, even in low-light environments.
  • Durable Construction: Built to withstand high-performance conditions and continuous use.
  • Easy Installation: Designed for straightforward installation with included mounting hardware.
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E9X M3 - SPEC Carbon Graphite Clutch (With Flywheel)
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Spec Clutches - Corporate Logo
T#:342325
Part#: SB93ST
Ships in 3 Business Days
$ 1,999.00 USD
$ 1,999.00 USD

Upgrade the clutch performance of your BMW E9X M3 equipped with the S65 4.0L engine using the SPEC Carbon Graphite Clutch. Engineered specifically for this setup, this high-performance clutch delivers outstanding durability and exceptional power handling capabilities, catering to enthusiasts seeking superior clutch performance.

Crafted from premium materials, the SPEC Carbon Graphite Clutch guarantees reliable power transfer, improved grip, and reduced wear. Elevate your driving experience with this precision-engineered clutch upgrade.

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E9X 325i 328i 330i SPEC Stage 2 Performance Clutch Kit
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Spec Clutches - Corporate Logo
T#:340436
Part#: SB072-2
Ships in 3 Business Days
Starting at $ 639.00 USD
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Starting at $ 639.00 USD
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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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E60 535i, E82 135i, E9X 335i SPEC Stage 2+ Performance Clutch Kit (fo...
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Spec Clutches - Corporate Logo
T#:340441
Part#: SB533H
Ships in 3 Business Days
Starting at $ 899.00 USD
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Starting at $ 899.00 USD
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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 Stage 3+ Performance Clutch Kit (for SPEC single-mass flywheel) ...
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Spec Clutches - Corporate Logo
T#:340440
Part#: SB533F-2
In Stock at Vendor
Starting at $ 1,578.00 USD
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Starting at $ 1,578.00 USD
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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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52mm Supreme Series Coolant Temperature Gauge Kit - White/Amber-White...
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Prosport Performance - Corporate Logo
T#:557084
Part#: 216CLSDWAWTU-R.F
Ships in 5 Business Days
$ 96.00 USD
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$ 96.00 USD
Free Shipping
52mm Supreme Series Oil Temperature Gauge- White/Amber-White Pointer/...
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Prosport Performance - Corporate Logo
T#:557081
Part#: 216CLSDWAWOTU-R.
Ships in 5 Business Days
$ 96.00 USD
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$ 96.00 USD
Free Shipping