- Earls Plumbing
- Holley Performance
- Spectre Performance
- Chevy 265-283
- Chevy 283-400
- GM LS1/LS6
Harmonic Balancer Bolt
- 180000 PSI Rating
- Made From 4135 Chrome Moly
- Black Oxide Coating
- Extra Tall
- 12 Point Bolt Head
- Wont Strip Or Allow Socket To Slip
- Extra Thick Washer
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- 180000 PSI Rating (Grade 9)
- Black E-Coat Finish
- 12-Point Bolt Head
- Reusable - Not Torque-To-Yield
- Large Diameter Extra Thick Washer
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- Corrosion Resistant Plated Finish
- Gold Iridite Finish
- Grade 8 Bolt; 7/16 in.-20; 2.5 in. Long
- Includes Security Lock Washer
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