ACT HD-O/Race Rigid 4 Pad Kit T42-HDR4 kit features ACT’s highly regarded Heavy Duty pressure plate and rigid 4 pad race disc delivering high torque capacity, aggressive engagement and increased toughness to withstand the demands of off-road racing. ACTs exclusive diaphragm design increases clamp load, reduces deflection and maximizes clutch life. All diaphragms endure a four-stage heat-treating process for unparalleled performance. ACT precision pressure plate cover stampings provide rigidity and consistency while precision machined pressure plate castings absorb heat. ACTs rigid center 4 pad race discs have a virtually indestructible rigid center and premium ceramic friction materials to hold power even under the most abusive conditions. Rigid design eliminates torsional damping for simplicity, reduced weight and quicker shifting. Features Product Weight (lbs.): 13.4 Torque Capacity (ft/lbs.): 355 Torque Capacity Over OE: 0.89 Pilot Bushing Included: Yes Pressure Plate Type: Heavy Duty Release Bearing Included: Yes Clutch Disc Diameter (in.): 8.8 Clutch Disc Diameter (mm): 224 Disc Material: Ceramic Input Spline Quantity: 21 Input Shaft Diameter (in.): 1.125 Alignment Tool Included: Yes Applications 1989-1995 Toyota Pickup 1989-1993 Toyota 4Runner What’s In The Box? Clutch Friction Disc (4224007) Clutch Alignment Tool (AT11) Clutch Pilot Bearing (PB1004) Clutch Release Bearing (RB445) Clutch Pressure Plate (T011) References Installation Instructions Warranty Manufacturer 1 Year Warranty