ACT Heavy Duty Clutch Kit 91-94 Nissan 240SX - P/N: NX4-HDR4 Product Model: ACT-NX4-HDR4 Advanced Clutch Technology for Nissan 240SX 91-94 (Complete Kit comes with heavy duty pressure plate, 4 puck disc, release bearing, pilot bearing & alignment tool). This clutch offers 342LBS of Torque Heavy Duty Pressure Plate * 20-50% clamp load increase * Stock to moderate pedal feel * Recommended disc: street or race 4 Pad Solid Centered Race Disc * Recommended for drag and road racing * Increased torque capacity * Fastest shifts, low inertia * Good durability but shortened spline life * Very harsh engagement, chatter