Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point - 97-321
$20.89
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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.
Holley Harmonic Balancer Bolt - Chevy Big Block - 12-Point - 97-321
$20.89
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
Product Specifications:
- Product Details: Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 & 20-242BK
- Bolt Grade: 10.9
- Color: Black
- Engine: Chevy Big Block V8
- Finish: Black E-Coat
- Grade Type: Performance
- Head Drive Type: 12 Point
- Head Style: 12-Point
- Length: 2.5 IN
- Material: Steel
- Part Type: Engine Harmonic Balancer Bolt
- Product Type: Harmonic Balancer Bolts
- PSI Rating: 180,000
- Reusable: Yes
- Thread Diameter: 1/2 IN
- Thread Pitch: 20
- Thread Size: 1/2-20
- Under Head Length: 2.500"
- Universal Or Specific Fit: Universal
- Washer Size: .200" Thick x 1.5" Diameter
- Washer(s) Included: Yes
- Wrench Size: 1/2"
Installation Notes:
Torque Harmonic Balancer Bolt to 85 ft/lbs.