Upgrade your performance with the ACT HC10-HDR6 Heavy Duty/Race Clutch Kit, specifically designed for the 2017-2019 Honda Civic Si. This top-tier clutch kit features ACT's highly regarded Heavy Duty pressure plate, which employs an exclusive diaphragm design that increases clamp load while reducing deflection to extend clutch life. The ACT HC10-HDR6 kit includes 6-pad rigid race discs made from high-quality ceramic friction materials, ensuring superior performance under extreme conditions. The lightweight and rigid design of this clutch kit allows for quicker shifts, making it ideal for race applications where every millisecond counts. Additionally, the chrome-moly hub has been heat-treated for enhanced strength and durability, ensuring reliable service over time. Engineered for aggressive engagement and designed for high RPM reliability, this clutch kit is perfect for serious racers looking to push their Honda Civic Si to the limits. Please note that while the engagement may be harsher, the increased performance and faster shifting capabilities make it a worthy investment for your racing needs. <b>Features:</b> * Heavy Duty pressure plate design for increased clamp load * 6-pad rigid race discs made from high-quality ceramic friction materials * Lightweight construction for quicker shifts and enhanced performance * Heat-treated chrome-moly hub for increased strength and durability * Designed for moderate pedal effort with aggressive engagement * Recommended for race use with extended friction life