ACT Heavy Duty Clutch Kit 90-91 Honda Civic - P/N: HC4-HDR6 Product Model: ACT-HC4-HDR6 Advanced Clutch Technology Clutch Kit for Honda Civic/CRX 90-91(except 4WD) 212MM; also able to fit Civic/CRX 89 (except 4WD) as Upgrade Option (Must use with 90+Civic Flywheel) (Complete Kit comes with heavy duty pressure plate, 6 puck race disc, release bearing, pilot bearing & alignment tool). This clutch offers 285LBS of Torque. Note; 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