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HolleyPart 97-321Made in CN
Product Details
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Key Features
Torque Harmonic Balancer Bolt to 85 ft/lbs.
Replacement harmonic balancer bolt with thick washer for Big Block Chevy Mid-Mount Accessory drive system. 12-Point, 1/2" Wrench Size, 1/2"-20 x 2.500" Under Head Length, Washer diameter 1.5" x 0.200" Thick.
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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About this product
Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 & 20-242BK
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Product Specifications
Automotive Item Grade
Performance
Bolt Grade
10.9
Brand
Holley
California Proposition 65 Chemical Name
4
Category
Engine
Collection
Suspension & Steering
Collection
Suspension & Steering - Steering Racks & Columns
Color
Black
Emission Code
6
Finish
Black E-Coat
Grade Type
Performance
Head Drive Type
12 Point
Head Style
12-Point
Length
2.5
Material
Steel
Part Type
Engine Harmonic Balancer Bolt
Product Type
Harmonic Balancer Bolts
PSI Rating
180
Reusable
Yes
Sub Category
Hardware
Thread Diameter
1/2
Thread Diameter
1/2 IN
Thread Pitch
20
Thread Size
1/2-20
Under Head Length
2.500"
Universal Or Specific Fit
Universal
Warning
California Proposition 65
Washer Included
Yes
Washer Size
.200" Thick x 1.5" Diameter
Washer(s) Included
Yes
Wrench Size
1/2"
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Warranty & Compliance
Warranty
Manufacturer's Limited 90 Day Warranty
Country of Origin
CN
Emissions Code
6
HS Code
7318158085
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Dimensions & Shipping
Product Dimensions
3.3 × 2.4 × 1.05 in
Shipping Dimensions
3.3 × 2.4 × 1.05 in
Weight
127 g (0.13 kg)