Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Small Block 283-400 with Holley Mid-Mount Accessory Drive System 20-240 & 20-240BK
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.
  • 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

Information:

Torque Harmonic Balancer Bolt to 60 ft/lbs.
Attributes
Bolt Grade 10.9
Brand Holley, Holley
California Proposition 65 No
Category Engine
Category Filter Accessory Drives
Clearance Category Accessory Drives
Color Black
Country of Origin (Primary) CN
Emission Code 6, 6
Engine Chevrolet Small Block Gen I, Chevrolet Small Block Gen I
Finish Black E-Coat, Black E-Coat
GTIN 00090127068984
Grade Type Performance
Harmonized Tariff Code (Schedule B) 7318158085
Hazardous Material Code N
Head Drive Type 12 Point, 12 Point
Head Style 12-Point, 12-Point
Length 2.8
Life Cycle Status Code Available to Order
Material Steel
NAFTA Preference Criterion Code B
PSI Rating 180,000, 180,000
Product Type Harmonic Balancer Bolts, Harmonic Balancer Bolts
Reusable Yes, Yes
SDR Required Flag N
Sub Category Hardware, Fasteners and Fittings
Thread Diameter 7/16, 7/16
Thread Pitch 20, 20
Thread Size 7/16-20, 7/16-20
Under Head Length 2.800", 2.800"
Universal Or Specific Fit Universal
Warning California Proposition 65, California Proposition 65
Washer Included Yes
Washer Size .200" Thick x 1.5" Diameter, .200" Thick x 1.5" Diameter
Washer(s) Included Yes
Wrench Size 7/16", 7/16"
part type Engine Harmonic Balancer Bolt

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Holley 97-320 Holley Harmonic Balancer Bolt - Chevy Small Block - 12-Point

Product Information

  • Brand: Holley
  • Product Number: 97-320

Vehicle Fitment