Holley Harmonic Balancer Bolt - Chevy Small Block - 12-Point 97-320
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Specifications:
Description:
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.









