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Holley Replacement Harmonic Balancer Bolts

3.33 out of 5 stars 3 Customer Reviews

Holley harmonic balancer bolts offer the perfect fit to properly install your harmonic balancer on your engine with a Holley mid-mount accessory drive. The replacement hardware is available for Chevy big block or small block applications. Each one includes a balancer bolt and thick washer.

Features:

* 180,000 psi rating (Grade 9)
* Made from steel
* Black E-coat finish
* Big block--1/2 in. wrench size
* Small block--7/16 in. wrench size

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