Edelbrock · New
Edelbrock BBC Head Bolt Kit
MPN 8551 · Store SKU ede8551
Supplier stock checked 11/7/2026, 12:21:17 PM UTC. Adding a part does not reserve it.
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Product details
The Edelbrock #8551 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 #8551 Head Bolt Kit is for 1965-90 Big-Block Chevrolet 396-454 Mark IV Engines with Edelbrock #50459, 60459, 60479, 60499, 60559, 61459, 61559, 79539, & 79559 Performer & RPM Cylinder Heads. Not for Stock Heads. Cylinder Head Bolt Kit BBC HEAD BOLT KIT
Manufacturer fitment & guides
- Chevrolet:Big-Block Mark IV:396 (6.5L)-502 (8.2L)
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
