Machined Steel 7 Degree, 3/8", Single Groove Race Lock
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1972 - 1972 | Buick | Centurion | Base | ||
| 1979 - 1981 | Buick | Century | Sport | ||
| 1979 - 1979 | Buick | Century | Special | ||
| 1979 - 1981 | Buick | Century | Limited | ||
| 1979 - 1979 | Buick | Century | Custom | ||
| 1980 - 1981 | Buick | Century | Estate | ||
| 1980 - 1981 | Buick | Century | Base | ||
| 1974 - 1974 | Buick | Electra | 225 Limited | ||
| 1974 - 1974 | Buick | Electra | 225 Custom | ||
| 1974 - 1974 | Buick | Electra | 225 | ||
| 1980 - 1980 | Buick | Electra | Estate Wagon | ||
| 1973 - 1974 | Buick | Estate Wagon | Base | ||
| 1980 - 1980 | Buick | Estate Wagon | Base | ||
| 1974 - 1974 | Buick | LeSabre | Luxus | ||
| 1974 - 1974 | Buick | LeSabre | Base | ||
| 1975 - 1975 | Buick | LeSabre | Custom | ||
| 1977 - 1977 | Buick | LeSabre | Custom Sport | ||
| 1977 - 1978 | Buick | LeSabre | Custom | ||
| 1977 - 1980 | Buick | LeSabre | Base | ||
| 1979 - 1980 | Buick | LeSabre | Limited | ||
| 1979 - 1981 | Buick | Regal | Limited | ||
| 1979 - 1981 | Buick | Regal | Base | ||
| 1974 - 1974 | Buick | Riviera | Base | ||
| 1977 - 1977 | Buick | Skylark | SR | ||
| 1977 - 1977 | Buick | Skylark | S | ||
| 1977 - 1977 | Buick | Skylark | Base | ||
| 1975 - 1975 | Oldsmobile | 98 | Regency | ||
| 1975 - 1975 | Oldsmobile | 98 | Luxury | ||
| 1975 - 1975 | Oldsmobile | Custom Cruiser | Panel | ||
| 1975 - 1975 | Oldsmobile | Custom Cruiser | Base | ||
| 1974 - 1974 | Oldsmobile | Cutlass | S | ||
| 1974 - 1974 | Oldsmobile | Cutlass | Base | ||
| 1974 - 1974 | Oldsmobile | Cutlass Supreme | Cruiser | ||
| 1974 - 1974 | Oldsmobile | Cutlass Supreme | Base | ||
| 1979 - 1979 | Oldsmobile | Delta 88 | Royale | ||
| 1979 - 1979 | Oldsmobile | Delta 88 | Base | ||
| 1972 - 1975 | Oldsmobile | Toronado | Brougham | ||
| 1972 - 1974 | Oldsmobile | Toronado | Base | ||
| 1975 - 1975 | Oldsmobile | Toronado | Custom | ||
| 1957 - 1981 | Pontiac | Bonneville | Base | ||
| 1959 - 1970 | Pontiac | Bonneville | Safari | ||
| 1959 - 1962 | Pontiac | Bonneville | Custom | ||
| 1976 - 1981 | Pontiac | Bonneville | Brougham | ||
| 1978 - 1980 | Pontiac | Bonneville | Safari | ||
| 1955 - 1981 | Pontiac | Catalina | Base | ||
| 1959 - 1980 | Pontiac | Catalina | Safari | ||
| 1962 - 1970 | Pontiac | Catalina | Ventura | ||
| 1964 - 1967 | Pontiac | Catalina | 2+2 | ||
| 1971 - 1972 | Pontiac | Catalina | Brougham | ||
| 1955 - 1955 | Pontiac | Chieftain | Safari | ||
| 1955 - 1958 | Pontiac | Chieftain | Base | ||
| 1957 - 1957 | Pontiac | Chieftain | Custom Safari Transcontinental | ||
| 1957 - 1957 | Pontiac | Chieftain | Custom Safari | ||
| 1958 - 1958 | Pontiac | Chieftain | Safari | ||
| 1967 - 1970 | Pontiac | Executive | Safari | ||
| 1967 - 1970 | Pontiac | Executive | Base | ||
| 1967 - 1967 | Pontiac | Firebird | HO | ||
| 1967 - 1977 | Pontiac | Firebird | Base | ||
| 1967 - 1969 | Pontiac | Firebird | 400 | ||
| 1968 - 1969 | Pontiac | Firebird | 350 | ||
| 1969 - 1981 | Pontiac | Firebird | Trans Am | ||
| 1969 - 1969 | Pontiac | Firebird | 350 HO | ||
| 1970 - 1981 | Pontiac | Firebird | Formula | ||
| 1970 - 1977 | Pontiac | Firebird | Esprit | ||
| 1979 - 1981 | Pontiac | Firebird | Esprit | ||
| 1979 - 1981 | Pontiac | Firebird | Base | ||
| 1973 - 1975 | Pontiac | Grand Am | Base | ||
| 1978 - 1980 | Pontiac | Grand Am | Base | ||
| 1975 - 1975 | Pontiac | Grand LeMans | Safari | ||
| 1975 - 1977 | Pontiac | Grand LeMans | Base | ||
| 1977 - 1977 | Pontiac | Grand LeMans | Safari | ||
| 1979 - 1981 | Pontiac | Grand LeMans | Safari | ||
| 1979 - 1981 | Pontiac | Grand LeMans | Base | ||
| 1962 - 1974 | Pontiac | Grand Prix | Base | ||
| 1975 - 1980 | Pontiac | Grand Prix | SJ | ||
| 1975 - 1975 | Pontiac | Grand Prix | LJ | ||
| 1976 - 1981 | Pontiac | Grand Prix | Base | ||
| 1977 - 1981 | Pontiac | Grand Prix | LJ | ||
| 1981 - 1981 | Pontiac | Grand Prix | Brougham | ||
| 1971 - 1978 | Pontiac | Grand Safari | Base | ||
| 1971 - 1974 | Pontiac | Grandville | Base | ||
| 1975 - 1975 | Pontiac | Grandville | Brougham | ||
| 1964 - 1973 | Pontiac | GTO | Base | ||
| 1970 - 1971 | Pontiac | GTO | The Judge | ||
| 1963 - 1977 | Pontiac | LeMans | Base | ||
| 1969 - 1970 | Pontiac | LeMans | Safari | ||
| 1970 - 1977 | Pontiac | LeMans | Sport | ||
| 1971 - 1971 | Pontiac | LeMans | T37 | ||
| 1972 - 1974 | Pontiac | LeMans | Luxury | ||
| 1973 - 1975 | Pontiac | LeMans | Safari | ||
| 1974 - 1974 | Pontiac | LeMans | Safari Luxury | ||
| 1977 - 1977 | Pontiac | LeMans | Safari | ||
| 1979 - 1981 | Pontiac | LeMans | Safari | ||
| 1979 - 1981 | Pontiac | LeMans | Base | ||
| 1955 - 1966 | Pontiac | Star Chief | Base | ||
| 1955 - 1957 | Pontiac | Star Chief | Custom | ||
| 1958 - 1958 | Pontiac | Star Chief | Custom Safari | ||
| 1958 - 1958 | Pontiac | Star Chief | Super Deluxe | ||
| 1966 - 1966 | Pontiac | Star Chief | Executive | ||
| 1957 - 1958 | Pontiac | Super Chief | Base | ||
| 1961 - 1970 | Pontiac | Tempest | Base | ||
| 1961 - 1962 | Pontiac | Tempest | LeMans | ||
| 1961 - 1961 | Pontiac | Tempest | Safari | ||
| 1963 - 1969 | Pontiac | Tempest | Safari | ||
| 1964 - 1965 | Pontiac | Tempest | Custom | ||
| 1968 - 1969 | Pontiac | Tempest | Custom | ||
| 1960 - 1961 | Pontiac | Ventura | Base | ||
| 1972 - 1975 | Pontiac | Ventura | Base | ||
| 1973 - 1975 | Pontiac | Ventura | Custom | ||
| 1974 - 1974 | Pontiac | Ventura | GTO | ||
| 1975 - 1975 | Pontiac | Ventura | S | ||
| 1975 - 1975 | Pontiac | Ventura | SJ | ||
| 1977 - 1977 | Pontiac | Ventura | Base | ||
| 1977 - 1977 | Pontiac | Ventura | SJ |
For more information on COMP Cams part number 641-1, you can visit the official COMP Cams website.