Edelbrock 8551 - Head Bolt Kit, Chevrolet Big Block

The Edelbrock #8551 bolt kit contains 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.

• For Edelbrock heads, Not for stock heads
• 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