Brand: Advanced Clutch Technology Manufacturer's Part Number: AI3-XTSD Part Type: Clutch Kits Product Line: ACT Xtreme Clutch Kits Automotive Fittings Part Number: ACL-AI3-XTSD UPC: 00842385014995 Clutch Usage: Performance Clutch Disc Quantity: 1 Flywheel Included: No Input Spline Quantity: 24 Input Shaft Diameter: 1.031 in. Disc Diameter (in.): 8.700 in. Disc Diameter (mm): 221mm Disc Material: Metallic/Organic Disc Style: Full face Hub Style: Solid Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Throwout Bearing Style: Flat face Alignment Tool Included: Yes Pilot Bushing Included: Yes Pilot Bushing Material: Steel roller bearing Counterweight Assist: No Mounting Hardware Included: No Quantity: Sold as a kit. Description: ACT Xtreme clutch kits pave the road to high performance by meshing solid products, outstanding quality, and exceptional value. These Xtreme clutch kits with racing or street discs are based on solid engineering principles. They afford a clamp load increase of 50 to 100 percent with moderate-to-stiff pedal feel, and many of these new (not rebuilt) units are SFI-certified to ensure safety. You've spent long hours building your engine; now put it in motion with the smooth, precise feel and longer life of an ACT Xtreme clutch kit.