Description

Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point 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. Torque Harmonic Balancer Bolt to 85 ft/lbs.

• Specifications

  • Head Drive Type: 12 Point
  • Universal Or Specific Fit:Universal
  • Grade Type: Performance
  • Finish: Black E-Coat
  • Color: Black
  • Washer(s) Included:Yes
  • Thread Diameter:1/2 IN
  • Material: Steel
  • Bolt Grade: 10.9
  • Length: 2.5"
  • Reusable:Yes
  • Engine: Chevy Big Block V8
  • Thread Size:1/2-20
  • Under Head Length:2.500"
  • Head Style: 12-Point
  • Wrench Size:1/2"
  • Washer Size:.200" Thick x 1.5" Diameter
  • PSI Rating:180,000
  • Thread Pitch:20