
The SPEC Stage 4 clutch kit for the cited BMW models provides an even higher clamping force and more aggressive engagement suited to stronger torque demands. It serves as a comprehensive replacement of the clutch friction disc and pressure plate, improving driveline reliability for cars with higher load expectations or modifications. Fitment follows the explicit BMW applications listed in the product description.
Spec 81-86 BMW 323 M20 / 88-91 325ix 2.5L / 82-85 524 2.4L / 89-90 525 5.2L Stage 4 Clutch Kit