
SPEC Clutch Kit With Billet Single Mass Flywheel - Stage 4
For BMW drivers looking to handle serious horsepower and push the limits on the street or strip, the SPEC Clutch Kit With Billet Single Mass Flywheel – Stage 4 delivers unmatched durability, response, and power transfer.

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Does NOT fit your Change Vehicle
Fits your Change Vehicle
Lifetime Replacement Program! Read more here
Product Details
SPEC Clutch Kit With Billet Single Mass Flywheel – Stage 4 is built for BMW owners who demand uncompromising performance from their drivetrain. Designed specifically for high-horsepower applications, this clutch kit features a 6-puck carbon metallic sprung hub disc and a high clamp load pressure plate, providing maximum torque capacity and rapid engagement for track and drag use.
The included billet single mass flywheel replaces the factory dual-mass design, reducing rotational mass and improving throttle response. Ideal for heavily modified BMWs, this kit delivers consistent, high-performance clutch operation under extreme conditions without sacrificing reliability.
Kit Contents:
- SPEC Stage 4 Clutch Kit w/ HD Pressure Plate
- SPEC Billet Aluminum Single-Mass Flywheel - 14lbs
- Genuine BMW Torque-to-Yield Bellhousing Bolts
- ECS Performance Brass Clutch Fork Pivot Pin

Kit Contents
Qty | Description | T# | Part# | Lifetime |
---|---|---|---|---|
1 | Genuine BMW Asa-bolt - 07129903800 | T#28742 | 07129903800 | YES |
2 | Genuine BMW Manual Transmission Torx Bolt 23001222891 | T#7563 | 23001222891 | YES |
5 | Genuine BMW Transmission Torx Bolt 23001222894 | T#15233 | 23001222894 | YES |
3 | Genuine BMW Manual Transmission Asa-bolt 23001222887 | T#7562 | 23001222887 | YES |
1 | ECS Brass Clutch Pivot Pin - Many BMWs | T#364033 | 013236ECS01A | YES |
1 | Spec Aluminum Single Mass Flywheel - E9X 335 (01/2009+) | T#342330 | SB53A-3~SPC | YES |
1 | BMW / Supra A90 Stage 4 Performance Clutch Kit (for SPEC single-mass flywheel) | T#568757 | SB534-2~SPC | NO |
Product Q&A
Lifetime Replacement
Some kit components are covered by our Lifetime Replacement Program
Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.
If you have any questions, would like to learn more or are ready to place a replacement claim, click here!
Fits These Cars
MAKE | MODEL | SUBMODEL | ENGINE | Special Fitment Notes |
---|---|---|---|---|
BMW | E60 | 535i | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E60 | 535i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | E60 | 535xi | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E61 | 535xi | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E82 | 1 M Coupe | N54 3.0L | Use vehicle selector to confirm fitment |
BMW | E82 | 135i | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E82 | 135i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | E88 | 135i | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E88 | 135i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | E90 | 335i | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E90 | 335i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | E90 | 335xi | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E90 | 335xi | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | E92 | 335i | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E92 | 335i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | E92 | 335is | N54 3.0L | Use vehicle selector to confirm fitment |
BMW | E92 | 335xi | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E92 | 335xi | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | E93 | 335i | N54 3.0L | For Vehicles with Production Date from 02/09 with 6 Bolt Crank |
BMW | E93 | 335i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | E93 | 335is | N54 3.0L | Use vehicle selector to confirm fitment |
BMW | F10 | 535i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F10 | 535i xDrive | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F22 | M235i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F22 | M235i xDrive | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F23 | M235i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F23 | M235i xDrive | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F30 | 335i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F30 | 335i xDrive | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F32 | 435i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F32 | 435i xDrive | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F33 | 435i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F33 | 435i xDrive | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F34 | 335i xDrive | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F36 | 435i | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | F36 | 435i xDrive | N55 3.0L | Use vehicle selector to confirm fitment |
BMW | Z4 | sDrive35i | N54 3.0L | Use vehicle selector to confirm fitment |
BMW | Z4 | sDrive35is | N54 3.0L | Use vehicle selector to confirm fitment |
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