ACT Heavy Duty Clutch Kit 99-00 Honda Civic Si - P/N: AI4-HDR6 Product Model: ACT-AI4-HDR6 Advanced Clutch Technology for Acura Integra 94-01 Honda Civic SI 99-00 Honda Del Sol DOHC (Kit comes with heavy duty pressure plate, 6 puck disc, release bearing, pilot bearing & alignment tool.) This clutch offers 311LBS of Torque. Not recommended for street use due to harsh engagement. Heavy Duty Pressure Plate * 20-50% clamp load increase * Stock to moderate pedal feel * Recommended disc: street or race 6 Pad Solid Centered Race Disc * Increased torque capacity * Faster shifts, reduced inertia * Good durability but shortened spline life * Harsh engagement, some chatter * Absorbs more heat than 4 pad