Stage 8 Locking Header Bolts easy to use and they are real assurance against horsepower loss or gasket failure created by loose nuts or bolts. The unique patented and trademarked functional design is just three pieces: a bolt (4130 Alloy Steel), a locking retainer and a spring clip. The header bolt kits are application specific as either hex head with a 3/16 recessed allen head or 12 point, USA or metric. All Stage 8 Locking Header Bolt Kits are sold with all of the necessary hardware for your application.
Application:
- 1975-1988 BUICK CENTURY V6 3.8
- 1985-1990 BUICK ELECTRA V6 3.8
- 1976-1987 BUICK LESABRE V6 3.8
- 1988-1991 BUICK REATTA
- 1975-1987 BUICK REGAL V6 3.8
- 1979-1987 BUICK RIVIERA V6 3.8
- 1975-1980 BUICK SKYHAWK
- 1975-1979 BUICK SKYLARK V6 3.8
- 1980-1981 CHEVROLET CAMARO V6 3.8
- 1980-1985 CHEVROLET CAPRICE V6 3.8
- 1978-1984 CHEVROLET EL CAMINO V6 3.8
- 1980-1985 CHEVROLET IMPALA V6 3.8