Brand: Advanced Clutch Technology Manufacturer's Part Number: AA5-HDSS Part Type: Clutch Kits Product Line: ACT Heavy-Duty Clutch Kits Automotive Fittings Part Number: ACL-AA5-HDSS UPC: 842385018719 Clutch Usage: Performance Clutch Disc Quantity: 1 Flywheel Included: Yes Input Spline Quantity: 23 Input Shaft Diameter: 0.937 in. Disc Diameter (in.): 9.400 in. Disc Diameter (mm): 240mm Disc Material: Organic Disc Style: Full face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: No Ring Gear Tooth Quantity: 117-tooth Counterweight Assist: No Mounting Hardware Included: No Quantity: Sold as a kit. Description: ACT heavy-duty clutch kits offer a clamp load increase of 20 to 50 percent over OEM, significantly increasing torque capacity. The pedal feel with these clutches varies from stock to a moderate increase. Available for street and race applications, many are SFI-certified to ensure safety.