SPEC Performance Clutch Kit With Billet Single Mass Flywheel - Stage 4
This Clutch kit is rebuildable, ensuring long-term reliability and performance for BMW owners pushing their vehicles to the limit. For drivers seeking a balance between race-ready performance and street drivability, this Stage 4 clutch kit is the ultimate upgrade.
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Product Details
SPEC Performance Clutch Kit With Billet Single Mass Flywheel - Stage 4 is engineered for BMW enthusiasts seeking unparalleled performance for high-horsepower applications. Packaged by Turner Motorsport, this high-performance clutch kit delivers exceptional torque capacity for aggressive driving, including drag racing, track days, and high-performance street use. The Stage 4 clutch kit, paired with a lightweight billet single-mass flywheel, eliminates the limitations of the stock dual-mass flywheel, offering superior durability and quicker throttle response. Ideal for BMW models with the B58, this kit ensures reliable power transfer for vehicles with significant turbo upgrades or bolt-on modifications. The single-mass flywheel, crafted from high-carbon billet steel, reduces rotational mass for faster revs and enhanced engine response. With a focus on precision engineering, this clutch kit provides aggressive engagement while maintaining manageable pedal feel for spirited driving.
Details:
- High-torque capacity rated for up to 580 ft/lbs, perfect for turbocharged BMWs
- Lightweight billet single-mass flywheel enhances throttle response and acceleration
- Sprung hub clutch disc minimizes drivetrain chatter for smoother operation
- Includes pressure plate, clutch disc, release bearing, pilot bearing, and alignment tool
- Ideal for drag racing, road racing, and high-performance street applications
Kit Contents:
- SPEC Stage 4 Clutch Kit w/ HD Pressure Plate
- SPEC Billet Aluminum Single-Mass Flywheel - 22lbs
- Genuine BMW Torque-to-Yield Bellhousing Bolts
- ECS Performance Brass Clutch Fork Pivot Pin
Prop 65 Warning
Kit Contents
| Qty | Description | Brand | T# | Part# | Lifetime |
|---|---|---|---|---|---|
| 2 | Genuine BMW Manual Transmission Torx Bolt 23001222893 |
|
T#13235 | 23001222893 | YES |
| 3 | Genuine BMW Manual Transmission Asa-bolt 23001222887 |
|
T#7562 | 23001222887 | YES |
| 4 | Genuine BMW Torx Bolt M12X100-8.8Zns3 - 23007565047 - F15,F25,F30,F31 |
|
T#191058 | 23007565047 | YES |
| 1 | ECS Brass Clutch Pivot Pin - Many BMWs |
|
T#364033 | 013236ECS01A | YES |
| 1 | BMW / Supra A90 Stage 4 Performance Clutch Kit (for SPEC single-mass flywheel) |
|
T#568757 | SB534-2~SPC | NO |
| 1 | F-Chassis B58 SPEC Billet Aluminum Flywheel |
|
T#7036582 | SBB58A-2~SPC | YES |
