Brand: Advanced Clutch Technology Manufacturer's Part Number: AR2-HDSS Part Type: Clutch Kits Product Line: ACT Heavy-Duty Clutch Kits Automotive Fittings Part Number: ACL-AR2-HDSS UPC: 00842385023096 Clutch Usage: Performance Clutch Disc Quantity: 1 Flywheel Included: Yes Input Spline Quantity: 24 Input Shaft Diameter: 1.031 in. Disc Diameter (in.): 8.400 in. Disc Diameter (mm): 213mm Disc Material: Metallic/Organic Disc Style: Full face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Throwout Bearing Style: Standard Alignment Tool Included: Yes Pilot Bushing Included: Yes Pilot Bushing Material: Steel Flywheel Material: Forged steel Engine Balance: Internal 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.