- SPECS
- Availability Available
- Application Application Specific
- UPC 00085347085033
- Thread Type Coarse
- Thread Diameter 0.500 in
- Minimum Length 2.250 in
- Color Black Oxide
- Availability Note Available to Order
- Warranty 12 Months
- Hazardous Materials Warning WARNING: This product can expose you to Chrome, 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.
- Installation Notes
- The Edelbrock #8503 head bolt kits contain a complete set of the highest quality head bolts and hardened washers available. They are cold-formed to ensure molecular integrity and heat-treated prior to thread rolling and machining. Reduced-diameter bolt heads eliminate the need for valvetrain removal to facilitate cylinder head re-torqueing. Hardened and parallel-ground washers are included, and they're rated at 170,000 psi.
- Be sure that the surface of the block and the surface of the head are thoroughly cleaned to remove any oily film before installation. Use alcohol or lacquer thinner on a lint-free rag to clean. Apply oil or suitable thread lubricant to head bolt threads and the underside of bolt heads and washers to prevent galling and improper torque readings. Use thread sealant on any bolts that go into coolant passages. Torque top row of bolts to 110 ft./lbs. Bottom row of bolts to 100 ft./lbs. in three or four steps, following the factory tightening sequence. A re-torque is recommended after the initial star-up and cool-down (allow 2-3 hours for adequate cooling).
- Finish Black Oxide
- Head Drive Type Hex
- Length 4.250 in
- Material Chromoly
1964-1972 Skylark / GS Edelbrock Head Bolt Kit
No questions.