ACT 1977 Chevrolet K5 Blazer XACT Flywheel Prolite

Dramatically improved engine response and acceleration, mild to moderate gear rattle; Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life; One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears; Recommended for race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM reliabilityThis Part Fits: Year Make Model Submodel 1955-1969,1971-1974 Chevrolet Bel Air Base 1955-1957 Chevrolet Bel Air Nomad 1958-1969,1971-1972 Chevrolet Biscayne Base 1960 Chevrolet Biscayne Fleetmaster 1969-1973 Chevrolet Blazer Base 1958-1961,1972 Chevrolet Brookwood Base 1978-1980 Chevrolet C10 Big Ten 1977-1980 Chevrolet C10 Cheyenne 1981-1985 Chevrolet C10 Custom 1977-1980 Chevrolet C10 Custom Deluxe 1981 Chevrolet C10 Deluxe 1977-1980,1982,1984-1985 Chevrolet C10 Scottsdale 1977,1979-1980,1982-1985 Che