Edelbrock E-Series Cylinder Head Bolt Kit
Edelbrock E-Series Cylinder Head Bolt Kit #85312 is designed for use with Edelbrock Performer Cylinder Heads #60129/#60139 and Performer RPM Cylinder Heads #60109/#60119 used on pre-1970 AMC engines with 7/16-inch diameter head bolts.
This kit contains all of the necessary parts to replace the factory head bolts. Edelbrock E-Series Cylinder Head Bolt Kit #85312 for pre-1970 AMC V8 engines
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E-Series bolts have a yield tensile strength of 190,000 PSI for strong and reliable loading. Bolt threads are rolled after heat-treating for superior form and strength, while a small hex head provides extra space for socket clearance in tight situations.
E-Series Cylinder Head Bolts have a durable black oxide finish with sealer and come with the distinctive Edelbrock “E” stamped into the head.”
The Edelbrock E-Series Cylinder Head Bolt Kit #85312 is engineered for pre-1970 AMC V8 engines equipped with 7/16-inch diameter head bolts. This kit is compatible with Edelbrock Performer Cylinder Heads (#60129, #60139) and Performer RPM Cylinder Heads (#60109, #60119).
Key Features:
- High Tensile Strength: Bolts possess a yield tensile strength of 190,000 psi, ensuring robust and reliable clamping force.
- Heat-Treated and Rolled Threads: Threads are rolled post heat-treatment to enhance strength and ensure precise torque readings.
- Reduced-Size Hex Head: Smaller hex head design provides additional socket clearance in confined spaces, facilitating easier installation.
- Durable Finish: Features a black oxide finish with sealer for corrosion resistance; each bolt is stamped with the distinctive Edelbrock “E” logo.
Kit Contents:
- (10) Bolts – 2.250 inches in length
- (4) Bolts – 3.060 inches in length
- (14) Bolts – 3.750 inches in length
- Hardened washers for all bolts
This comprehensive kit provides all necessary components to securely install cylinder heads on pre-1970 AMC V8 engines, ensuring optimal performance and longevity.

WARNING: This product can expose you to Chromium and Nickel, 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.
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