Edelbrock - 8558
Cylinder Head Bolt Kit - Hex Head - Chromoly - Black Oxide - Oldsmobile V8 - Kit
Edelbrock #8558 is a Head Bolt Kit for 1965-76 Oldsmobile 400-425-455 Engines with 60529, 60515, 60519 Cylinder Heads. Complete set of Head Bolts & Washers for a pair of heads.
The Edelbrock #8558 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
Material: Chromoly
Thread Type: Coarse
Thread Diameter: 0.4375
RGL: WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Length: (16) 4.180 in, (4) 3.060
Finish: Black Oxide
Quantity: Kit
Grade Type: Performance
Head Drive Type: Hex
Washers Included: Yes
