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:
- 1968-1995 FORD 302 SMALL BLOCK
- 1968-1995 FORD BRONCO V8 5.0
- 1968-1974 FORD COUNTRY SEDAN V8 5.0
- 1968-1991 FORD COUNTRY SQUIRE V8 5.0
- 1968-1972 FORD CUSTOM V8 5.0
- 1968-1974 FORD CUSTOM 500 V8 5.0
- 1968-1983 FORD E-100 ECONOLINE V8 5.0
- 1975-1995 FORD E-150 ECONOLINE V8 5.0
- 1968-1974 FORD E-200 ECONOLINE V8 5.0
- 1975-1991 FORD E-250 ECONOLINE V8 5.0
- 1968-1974 FORD E-300 ECONOLINE V8 5.0
- 1979-1982 FORD E-350 ECONOLINE V8 5.0