The SPEC Stage 3 sprung clutch kit for BMW applications is a heavy‑duty single‑plate kit intended for 328, 525 and M3 models using a 10‑spline input and requiring an aftermarket billet flywheel. It offers a higher clamping capacity than stock for upgraded engines and racing use. The sprung hub design helps preserve drivability while handling increased torque when paired with the appropriate billet flywheel.
Spec BMW 328/525/M3 Stage 3 Sprung Clutch Kit 10 Spline *FOR USE WITH AFTERMARKET BILLET FLYWHEEL*