ACT HD/Perf Street Sprung Kit FM1-HDSS kit features ACT\’s most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT\’s Performance Street discs feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs have reduced marcel for faster shift action to complement ACT pressure plates, with increased strength and reliability. Features Release Bearing Included: Yes Clutch Disc Diameter (in.): 10.5 Clutch Disc Diameter (mm): 266 Disc Material: Organic Input Spline Quantity: 10 Input Shaft Diameter (in.): 1.0625 Alignment Tool Included: Yes Product Weight (lbs.): 22.3 Torque Capacity (ft/lbs.): 485 Torque Capacity Over OE: 0.44 Pilot Bushing Included: Yes Pressure Plate Type: Heavy Duty Applications 1986-1995 Ford Mustang LX, GT, SVT Cobra What\’s In The Box? Clutch Friction Disc (3001005) Clutch Alignment Tool (ATFC10) Clutch Pressure Plate (F013) Clutch Pilot Bearing (PB1019) Clutch Release Bearing (RB1714) References Installation Instructions Warranty Manufacturer 1 Year Warranty