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Holley
Product Details
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Vehicle Compatibility
Fits Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point.
Please refer to manufacturer specifications for complete compatibility information.
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Key Features
Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 & 20-242BK
- 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
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Product Videos
No videos available for this product.
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Product Specifications
Bolt Grade
10.9
Brand
Holley
Collection
Suspension & Steering
Collection
Suspension & Steering - Steering Racks & Columns
Engine
Chevy Big Block V8
Grade Type
Performance
Head Drive Type
12 Point
Head Style
12-Point
Part Type
Engine Harmonic Balancer Bolt
Product Type
Harmonic Balancer Bolts
PSI Rating
180
Reusable
Yes
Thread Diameter
1/2 IN
Thread Size
1/2-20
Universal Or Specific Fit
Universal
Washer Included
Yes
Washer Size
.200" Thick x 1.5" Diameter
Wrench Size
1/2"
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Package Contents
Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.