Edelbrock - 8556
Edelbrock #8556 is a Head Bolt Kit for 1961-79 Pontiac 326-455 Engines with #60575, 60579, 60595, 60599, 61515, 61519, 61525, 61529, 60509, 60569, 60587, & 60589 Edelbrock Cylinder Heads Manufactured before 3/15/02. Not for Stock Heads
The Edelbrock #8556 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