The Edelbrock #8503 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining. Reduced diameter bolt heads eliminate the need for valve train removal to facilitate cylinder head re-torqueing. Hardened and parallel-ground washers are included. Rated at 170,000 p.s.i.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 1971-1973 |
Buick |
Centurion |
Base |
| 1973-1974 |
Buick |
Century |
Base |
| 1973-1974 |
Buick |
Century |
Luxus |
| 1968-1974 |
Buick |
Electra |
225 |
| 1968-1974 |
Buick |
Electra |
225 Custom |
| 1974 |
Buick |
Electra |
225 Limited |
| 1967,1973 |
Buick |
Electra |
Base |
| 1967 |
Buick |
Electra |
Custom |
| 1970-1974 |
Buick |
Estate Wagon |
Base |
| 1967 |
Buick |
Gran Sport |
Base |
| 1968-1969 |
Buick |
GS 400 |
Base |
| 1970-1972 |
Buick |
GS 455 |
Base |
| 1970 |
Buick |
GS 455 |
GSX |
| 1970-1974 |
Buick |
LeSabre |
Base |
| 1970-1973 |
Buick |
LeSabre |
Custom |
| 1974 |
Buick |
LeSabre |
Luxus |
| 1973-1974 |
Buick |
Regal |
Base |
| 1967-1974 |
Buick |
Riviera |
Base |
| 1971 |
Buick |
Riviera |
Gran Sport |
| 1967-1968,1970-1971 |
Buick |
Skylark |
Base |
| 1968,1970-1971 |
Buick |
Skylark |
Custom |
| 1968-1970 |
Buick |
Sportwagon |
Base |
| 1968 |
Buick |
Sportwagon |
Custom |
| 1967-1969 |
Buick |
Wildcat |
Base |
| 1967-1970 |
Buick |
Wildcat |
Custom |
