Edelbrock E-Series Cylinder Head Bolt Kit #85522 is a high-quality set of bolts for use on Ford 289-302 blocks with standard 7/16-inch head bolt bosses. This E-Series kit is a perfect choice when upgrading to Edelbrock Performer or Performer RPM Cylinder Heads. This kit includes step-washers for use with aftermarket aluminum heads using ½-inch head bolt holes. E-Series bolts have a yield tensile strength of 190,000 PSI for strong and reliable loading with generous filleting throughout to eliminate stress risers. 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.
Features and Benefits
For Ford 289-302 with aluminum heads; Yield tensile strength of 190,000 PSI; Heat treating with rolled threads for superior form and strength; black-oxide finish with sealer; Edelbrock “E” logo stamped on bolt head.
Available to Order
Hazardous Materials Warning
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.
The Edelbrock #85522 is made specifically for small block Ford V8; Apply oil or suitable thread lubricant to head bolt threads and the underside of bolt heads and washers.- Using the torque sequence (See Figure 1), torque all 7/16" bolts to 65-70 ft./lbs and all 1/2" bolts to 100-110 ft./lbs in four steps (30, 40, 50, 60-75; or 30, 60, 90, 100-110). Installation is the same as for original equipment cylinder heads. Consult service manual for specific procedures, if necessary. BOSS 302 CLONE ENGINES - Use Edelbrock Head Bolt Bushings with Integral Washers #9680 in place of washers supplied with your head bolt kit. Torque 7/16" bolts to 65-70 ft./lbs. in four steps (30, 40, 50, 65-70) following the factory tightening sequence. ALL ENGINES - A re-torque is recommended after initial start-up and cool-down (allow 2-3 hours for adequate cooling).