Edelbrock · New
Edelbrock Pontiac Head Bolt Kit
MPN 8556 · Store SKU ede8556
Supplier stock checked 11/7/2026, 5:03:58 PM UTC. Adding a part does not reserve it.
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Product details
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. 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 Cylinder Head Bolt Kit PONTIAC HEAD BOLT KIT
Manufacturer fitment & guides
- Pontiac:-:326 (5.3L)-455 (7.5L)
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
