The South Bend Clutch K70238-SS-X-SMF is a high-performance clutch kit designed for demanding applications such as racing, heavy-duty street use, and fleet vehicles. Engineered specifically for BMW M3 E36 models from 1996 to 2001 and Z3 models from 1998 to 2000, this Stage 4 Extreme clutch assembly offers exceptional torque capacity and durability. The kit features premium friction materials that ensure smooth engagement and reliable power transfer under severe driving conditions. Built to withstand increased horsepower and torque, this clutch kit is ideal for enthusiasts and fleet operators seeking maximum performance and longevity.
This assembly emphasizes thermal capacity, helping prevent clutch slippage during heavy towing, spirited driving, or high-horsepower upgrades. The kit’s components are precision engineered to provide long-term drivetrain reliability, reducing wear and maintenance needs. Installation requires adherence to proper break-in procedures, including a recommended 500-mile period of moderate driving before subjecting the clutch to aggressive use. Always replace associated components such as the pilot bearing, throwout bearing, and resurface or replace the flywheel to ensure optimal performance. Proper cleaning of the pressure plate face with premium brake cleaner is essential for chatter-free operation and maximum friction engagement.
Designed for professional installation, this clutch kit delivers the performance and durability needed for extreme street or racing applications, making it an excellent choice for serious BMW enthusiasts and fleet operators alike.
Features:
- Heavy-duty diesel and fleet torque capacity for demanding industrial and automotive use
- Premium friction materials ensure smooth, consistent engagement and high thermal resistance
- Enhanced thermal capacity prevents slippage during severe towing, racing, or high-horsepower applications
- Long-term drivetrain reliability for extended service life under rigorous operational conditions
Fitment:
BMW M3 Base 1996 to 1999
BMW Z3 M Coupe 1999 to 2002
BMW Z3 M Roadster 1998 to 2002





