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:
- 1957-1958 CHRYSLER 300
- 1962-1966 CHRYSLER 300 6.3
- 1963-1963 CHRYSLER 300 7.0
- 1966-1971 CHRYSLER 300 7.2
- 1957-1958 CHRYSLER 392 FIRE POWER
- 1971-1978 CHRYSLER 400 BIG BLOCK
- 1966-1979 CHRYSLER 440 BIG BLOCK
- 1960-1971 CHRYSLER B ENGINE 383CI 6.3
- 1971-1978 CHRYSLER B ENGINE 400CI 7.0
- 1975-1978 CHRYSLER CORDOBA 6.6
- 1966-1971 CHRYSLER HEMI
- 1957-1958 CHRYSLER IMPERIAL