The South Bend DXD Racing Clutch KF778-HD is designed specifically for high-performance applications on BMW 535i and M3 models from 1989 to 1995. This heavy-duty clutch kit assembly delivers reliable torque capacity, smooth engagement, and enhanced thermal performance to withstand demanding driving conditions and aggressive power upgrades. Crafted for fleet, track, and street use, it ensures maximum drivetrain integrity while maintaining drivability under heavy loads. This clutch features premium friction materials that optimize power transfer and reduce pedal effort, making it ideal for spirited driving as well as professional racing or towing scenarios. Built to handle increased horsepower and torque, the KF778-HD is engineered with durability in mind, providing long-term performance and peace of mind in demanding environments.
Features:
- Heavy-duty diesel and fleet torque capacity for consistent power transfer under severe duty
- Premium friction materials for smooth, chatter-free engagement and high-performance durability
- Enhanced thermal capacity to prevent clutch slippage during severe towing or high-horsepower conditions
- Long-term drivetrain reliability with high-quality construction designed for aggressive driving and fleet use
Fitment:
BMW 535i Base 1989 to 1993
BMW M3 Base 1995





