Product Details
Key Features
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.
Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Small Block 283-400 with Holley Mid-Mount Accessory Drive System 20-240 & 20-240BK
- 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
About this product
Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Small Block 283-400 with Holley Mid-Mount Accessory Drive System 20-240 & 20-240BK



