![South Bend Clutch Stage 4 Extreme Clutch & Flywheel Kit | B6 S4 · B7 S4 F10 M5 4.4L Turbo V8 [S63] and replacing the valve parts](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/SouthBendClutchStage4ExtremeClutch_FlywheelKitB6S4_B7S4.png?v=1695684677)
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and replacing the valve parts with indestructible metal components ensures strength and reliability no matter how much boost you run
this flex section is designed to stand the test of time
The NEUSPEED P-Flo kit now offers a choice of two filter types: the time proven oiled multi-layer cotton gauze air filter that is washable and reusable or the new dry paper media filter
This hydraulic tensioner has a gas-charged piston that provides tension on the tensioner roller
Includes all stainless hardware
South Bend Clutch Stage 4 Extreme Clutch & Flywheel Kit | B6 S4 · B7 S4 F10 M5 4.4L Turbo V8 [S63] and replacing the valve partsThis 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
