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Harmonic Balancer Bolt | For Chevy Big Block 396-454 w/Mid Mount Accessory Drive System | 12 Point | .5 in. Wrench Size | .200 in. Thick Washer | Black
Replacement harmonic balancer bolt with thick washer for Big Block Chevy Mid-Mount Accessory drive system. 12-Point, 1/2" Wrench Size, 1/2"-20 x 2.500" Under Head Length, Washer diameter 1.5" x 0.200" Thick.
Features:
180,000 PSI Rating (Grade 9)
Made from Steel
Black E-Coat Finish
1/2" Wrench Size
12-Point Bolt Head
Large Diameter Extra Thick Washer - .200" Thick x 1.5" Diameter
Reusable - Not Torque-To-Yield
Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 & 20-242BK
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