ACT HD-O/Race Sprung 4 Pad Kit T42-HDG4 kit features ACT\’s highly regarded Heavy Duty pressure plate and spring-center 4 pad race disc delivering high torque capacity, aggressive engagement, quiet operation 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 spring center 4 pad race discs boast quality parts throughout, with robust spring center sections to absorb driveline shock and premium ceramic friction materials to hold power even under the most abusive conditions. Features Product Weight (lbs.): 14.8 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 1989-1993 Toyota 4Runner 1989-1995 Toyota Pickup What\’s In The Box? Clutch Pilot Bearing (PB1004) Clutch Release Bearing (RB445) Clutch Pressure Plate (T011) Clutch Friction Disc (4224207) Clutch Alignment Tool (AT11) References Installation Instructions Warranty Manufacturer 1 Year Warranty