Edelbrock #8503 is a Cylinder Head Bolt Kit for 1967-76 Buick 400-455 V8 Engines with Edelbrock #60037, 60039, & 60049 Performer RPM Cylinder Heads.
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.
- Highest Quality Head Bolts
- Cold-Formed
- Heat Treated
- Ensures Molecular Integrity
- Reduced Diameter Bolt Heads
- Hardened/Parallel-Ground Washers Included
- Rated At 170000 psi
- Manufactured By ARP
Application Summary:
| Year |
Make/Model |
| 1971-1973 |
Buick Centurion |
| 1973-1974 |
Buick Century |
| 1967-1974 |
Buick Electra |
| 1970-1974 |
Buick Estate Wagon |
| 1967 |
Buick Gran Sport |
| 1968-1969 |
Buick GS 400 |
| 1970-1972 |
Buick GS 455 |
| 1970-1974 |
Buick LeSabre |
| 1973-1974 |
Buick Regal |
| 1967-1974 |
Buick Riviera |
| 1967-1968 |
Buick Skylark |
| 1970-1971 |
Buick Skylark |
| 1968-1970 |
Buick Sportwagon |
| 1967-1970 |
Buick Wildcat |
