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Holley | SKU:
97-321
Holley 97-321 Harmonic Balancer Bolt - Chevy Big Block - 12-Point
Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 & 20-242BK
Regular price
$45.20 NZD
+ GST
Unit price
/
Unavailable
Shipping calculated at checkout.
Holley 97-321 Harmonic Balancer Bolt - Chevy Big Block - 12-Point is not in stock at Fast Lane Spares and will ship direct from supplier
⚠ Special Order Item — ships direct from supplier. No returns, exchanges, or cancellations once processed. Please allow 7–20 days shipping.
Stock Status:
Description
Description
Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 & 20-242BK
Part Number: 97-321
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 and Benefits
• 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
Torque Harmonic Balancer Bolt to 85 ft/lbs.
Part Number: 97-321
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 and Benefits
• 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
Torque Harmonic Balancer Bolt to 85 ft/lbs.
Specifications
Specifications
-
Specifications
Bolt Grade 10.9 Brand Holley Category Engine Color Black Emission Code 6 Engine Chevy Big Block V8 Finish Black E-Coat Grade Type Performance Head Drive Type 12 Point Head Style 12-Point Length 2.5 Material Steel part type Engine Harmonic Balancer Bolt Product Type Harmonic Balancer Bolts PSI Rating 180,000 Reusable Yes Sub Category Hardware, Fasteners and Fittings Thread Diameter 1/2 Thread Pitch 20 Thread Size 1/2-20 Under Head Length 2.500" Universal Or Specific Fit Universal Warning California Proposition 65 Washer Size .200" Thick x 1.5" Diameter Washer(s) Included Yes Wrench Size 1/2"
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