Description
Holley 97-321 – Harmonic Balancer Bolt
Holley Harmonic Balancer Bolt – Chevy Big Block – 12-Point
Harmonic Balancer Bolt; For Chevy Big Block 396-454 w/Mid Mount Accessory Drive System; 12 Point; .5 in. Wrench Size; .200 in. Thick Washer; Black;
Replacement harmonic balancer bolt with thick washer for Big Block Chevy Mid-Mount Accessory drive system. 12-Point, 1/2 in. Wrench Size, 1/2 in.-20 x 2.500 in. Under Head Length, Washer diameter 1.5 in. x 0.200 in. Thick.
- 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
Bolt Grade: 10.9Brand: HolleyCategory: EngineColor: BlackEmission Code: 6Engine: Chevy Big Block V8Finish: Black E-CoatGrade Type: PerformanceHead Drive Type: 12 PointHead Style: 12-PointLength: 2.5Material: Steelpart type: Engine Harmonic Balancer BoltProduct Type: Harmonic Balancer BoltsPSI Rating: 180,000Reusable: YesSub Category: Hardware, Fasteners and FittingsThread Diameter: 1/2Thread Pitch: 20Thread Size: 1/2-20Under Head Length: 2.500″Universal Or Specific Fit: UniversalWarning: California Proposition 65Washer Size: .200″ Thick x 1.5″ DiameterWasher(s) Included: YesWrench Size: 1/2″





Reviews
There are no reviews yet.