The South Bend Clutch HCK1011-SS-X Stage 4 Extreme Clutch Kit is engineered for high-performance applications, delivering exceptional torque capacity and reliable power transfer in sporty and modified Honda Civic Si models from 2009 to 2011. Designed for drivers demanding maximum clutch engagement and durability, this assembly features premium friction materials optimized for smooth, aggressive engagement under severe driving conditions. Whether you’re upgrading for track use, street performance, or heavy-duty towing, this clutch kit provides the strength needed to handle increased horsepower and torque outputs while maintaining consistent operation.
This heavy-duty clutch assembly is ideal for enthusiasts and fleet operators alike who require a robust component capable of enduring extreme duty cycles. The kit includes a high-performance pressure plate, clutch disc, and release bearing, all meticulously engineered to ensure precise fitment and long-term reliability. Proper installation and break-in procedures are essential to maximize performance and lifespan, especially in high-stress environments. Trust the South Bend Clutch brand for American-engineered quality designed to meet the rigorous demands of modern performance and fleet vehicles.
Features:
- Heavy-duty diesel and fleet torque capacity for demanding applications
- Premium friction materials for smooth, reliable engagement
- Enhanced thermal capacity to prevent clutch slippage during severe towing or high-power operation
- Designed for long-term drivetrain reliability and consistent performance
Fitment:
Honda Civic Si 2009 to 2011





