ACT Heavy Duty Pressure Plate (HD) [Chevrolet Biscayne(1958-1972), Chevrolet Bel Air(1955-1975), Pontiac Firebird(1967-1987), Pontiac Catalina(1971-1972), Oldsmobile Cutlass Calais(1979-1981), Oldsmobile Cutlass(1964-1967, 1979-1980)]

Pressure plate features an exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All ACT 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 Heavy Duty pressure plates increase clamp load by 20 to 50 percent. The Heavy Duty pressure plates are recommended for use with a street or race disc.
Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.