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Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point

Part # 97-321 Be the first to write a review

Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 & 20-242BK

Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point

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$19.60
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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.

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.

Bolt Grade10.9
Brand Holley
CategoryEngine
ColorBlack
Emission Code6
EngineChevy Big Block V8
FinishBlack E-Coat
Grade TypePerformance
Head Drive Type12 Point
Head Style12-Point
Length2.5 IN
MaterialSteel
Part TypeEngine Harmonic Balancer Bolt
Product TypeHarmonic Balancer Bolts
PSI Rating180,000
ReusableYes
Sub CategoryHardware, Fasteners and Fittings
Thread Diameter1/2 IN
Thread Pitch20
Thread Size1/2-20
Under Head Length2.500"
Universal Or Specific FitUniversal
Washer IncludedYes
Washer Size.200" Thick x 1.5" Diameter
Wrench Size1/2"
UPC090127068991
Part Number97-321
Torque Harmonic Balancer Bolt to 85 ft/lbs.

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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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