Description
Edelbrock - 8581
Cylinder Head Bolt Kit - Hex Head - Chromoly - Black Oxide - GM W-Series - Kit
Edelbrock #8581 is a Head Bolt Kit for 1958-65 Big-Block Chevrolet 348/409 "W" Engines with Edelbrock 60809. 60815, & 60819 Performer RPM Cylinder Heads. This kit contains a complete set of Head Bolts & Washers for a pair of heads.
The Edelbrock #8581 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
Extra Information
Warranty Information
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