Holley Engine Harmonic Balancer Bolt
97-320
SBC CRANK DAMPER BOLT SBC MID-MOUNT;Torque Harmonic Balancer Bolt to 60 ft/lbs.;Damper bolt;Holley Harmonic Balancer Bolt - Chevy Small Block - 12-Point;Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Small Block 283-400 with Holley Mid-Mount Accessory Drive System 20-240 & 20-240BK;Replacement harmonic balancer bolt with thick washer for Small Block Chevy Mid-Mount Accessory drive system. 12-Point, 7/16" Wrench Size, 7/16"-20 x 2.800" Under Head Length, Washer diameter 1.5" x 0.200" Thick.;180,000 PSI Rating (Grade 9);Made from Steel;Black E-Coat Finish;7/16" Wrench Size;12-Point Bolt Head;Large Diameter Extra Thick Washer - .200" Thick x 1.5" Diameter;Reusable - Not Torque-To-Yield