![South Bend Clutch Stage 4 Extreme Clutch & Flywheel Kit | B6 S4 · B7 S4 F10 M5 4.4L Turbo V8 [S63] For race setups only](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/SouthBendClutchStage4ExtremeClutch_FlywheelKitB6S4_B7S4.png?v=1695684677)
Pay in 4 interest-free payments of $292.98 Learn more
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
For race setups only
and integrate velocity stack to maximize airflow
this flex section is designed to stand the test of time
Integrated Check-Valve
Attractive appearance
South Bend Clutch Stage 4 Extreme Clutch & Flywheel Kit | B6 S4 · B7 S4 F10 M5 4.4L Turbo V8 [S63] For race setups onlyThis is a "build to order" clutch kit intended for cars with HP modifications exceeding the stage 3 parameters. The Race Engineered pressure plate is modified for maximum plate load. The discs are puck design with sprung and un sprung options. Friction material options include Sintered Iron and Graphite Impregnated Ceramic. Engagement characteristics can be abrupt. Hydraulic systems may need enhancing for proper clutch separation. Single mass steel
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