ACT XT/Perf Street Sprung Kit ZM2-XTSS kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme 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 are the most popular disc purchased. They 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. Quiet operation with increased strength and reliability. Features Product Weight (lbs.): 13 Torque Capacity (ft/lbs.): 315 Torque Capacity Over OE: 0.76 Pilot Bushing Included: Yes Pressure Plate Type: Xtreme Release Bearing Included: Yes Clutch Disc Diameter (in.): 8.8 Clutch Disc Diameter (mm): 224 Disc Material: Organic Input Spline Quantity: 22 Input Shaft Diameter (in.): 0.9375 Alignment Tool Included: Yes Applications 1990-2005 Mazda Miata What’s In The Box? Clutch Friction Disc (3000203) Clutch Alignment Tool (AT05) Clutch Pressure Plate (MZ012X) Clutch Pilot Bearing (PB1005) Clutch Release Bearing (RB813) References Installation Instructions Warranty Manufacturer 1 Year Warranty