OVERVIEW
Edelbrock #9680 Head Bolt Bushings with Integral Washers must be used on 289-302 S/B Ford Engines with 7/16" Head Bolts. Complete Set of 20 High Quality Head Bolt Bushings. Use with Edelbrock Head Bolt Kit #8552 or Stock 7/16" Head Bolts.
DETAILS
The Edelbrock #9680 bolt bushing kit contain a complete set of the highest quality head bolt bushings. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining
SPECS
| Finish | Black Oxide |
| Minimum Outside Diameter | 0.5 in |
| Maximum Outside Diameter | 0.875 in |
| Maximum Inside Diameter | 0.438 in |
| Thickness | 0.125 in |
| Quantity | Set of 20 |
| Material | Chromoly |
| 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. |
| Installation Notes | The Edelbrock #9680 is made specifically for 289-302 Ford engines; 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). |
