Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point 97-321
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
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
About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.
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