PFYC.com > C3 Corvette Restoration Parts > 1974 79 C3 Corvette Rear COMP Cams 1973 1977 Chevrolet C3 Corvette Steel Retainer 1.225in 1.250in Little Red Corvette Part 1: A 1971 C3 with Lots of Hidden Issues PFYC.com > C3 Corvette Restoration Parts > 1973 74 C3 Corvette Front. Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams Steel Retainers are the perfect solution to this problem. COMP engineers used 3D CAD with FEA to design retainers with a modern and advanced contoured top profiling for lower stress, increased lift and a reduction in mass. The retainers are CNC machined to exact tolerances using CAD Cam software. All COMP retainers use only high grade SAE 4140 chromemoly Steel with no lead, User 1 This Part Fits: Year Make Model Submodel 1973 1975 Buick Apollo Base 1975 Buick Apollo SR 1972 1973 Buick Centurion Base 1973 1977 Buick Century Base 1975 1977 Buick Century Custom 1976 Buick Century Indianapolis 500 Pace Car 1973 1975 Buick Century Luxus 1977 1979 Buick Electra 225 1980 Buick Electra Estate Wagon 1977 1980 Buick Electra Limited 1978 1980 Buick Electra Park Avenue 1970,1972 1973,1978 1980 Buick Estate Wagon Base 1970 1971 Buick GS Base 1968 1969 Buick GS 350 Base 1968 1975,1977 1980 Buick LeSabre Base 1968 1973,1975 1978 Buick LeSabre Custom 1977 Buick LeSabre Custom Sport 1979 1980 Buick LeSabre Limited 1974 Buick LeSabre Luxus 1973 1977 Buick Regal Base 1976 1977 Buick Regal SR 1977 1978 Buick Riviera Base 1978 Buick Riviera LXXV Anniversary Edition 1970,1972 Buick Skylark 350 1968 1972,1975 1976 Buick Skylark Base 1968 1972 Buick Skylark Custom 1976 Buick Skylark S 1975 1976 Buick Skylark SR 1968 1969 Buick Special Base 1968 1972 Buick Sportwagon Base 1968 1969 Buick Sportwagon Custom 1972 Chevrolet C10 Pickup Base 1972 Chevrolet Chevelle Base 1972 Chevrolet Chevelle Concours 1972 Chevrolet Chevelle Concours Estate 1972 Chevrolet Chevelle Greenbrier 1972 1973 Chevrolet Chevelle Malibu 1973 Chevrolet Chevelle Malibu Estate 1972 Chevrolet Chevelle Nomad 1972 Chevrolet Chevelle SS 1973 1974,1977 Chevrolet Corvette Base 1975 1976 Chevrolet Corvette Stingray 1972 Chevrolet El Camino Base 1972 Chevrolet El Camino Custom 1972 Chevrolet El Camino SS 1973 Chevrolet Impala Base 1972 1973 Chevrolet Monte Carlo Base 1973 Chevrolet Monte Carlo Landau 1973 Chevrolet Monte Carlo S 1974 Chevrolet Nova Base 1974 Chevrolet Nova Custom 1972 GMC C15 C1500 Pickup Base 1972 GMC Sprint Base 1972 GMC Sprint Custom 1969 1971 Jeep J 100 Base 1969 1971 Jeep J 2500 Base 1969 1970 Jeep J 2600 Base 1969 1970 Jeep J 2700 Base 1969 1970 Jeep J 3500 Base 1969 1970 Jeep J 3600 Base 1969 1970 Jeep J 3700 Base 1969 1970 Jeep J 3800 Base 1975 1976 Oldsmobile Omega Base 1976 Oldsmobile Omega Brougham 1976 Oldsmobile Omega F85 1975 Oldsmobile Omega Salon 1976 Oldsmobile Omega SX 1978 1979 Pontiac Bonneville Base 1978 1980 Pontiac Bonneville Brougham 1978 1980 Pontiac Bonneville Safari 1978 1979 Pontiac Catalina Base 1978 1980 Pontiac Catalina Safari