{"product_id":"holley-97-321-harmonic-balancer-bolt-chevy-big-block-12-point","title":"Holley 97-321 Harmonic Balancer Bolt - Chevy Big Block - 12-Point","description":"Replacement Harmonic Balancer Bolt with Thick Washer, for Chevy Big Block 396-454 with Holley Mid-Mount Accessory Drive System 20-242 \u0026amp; 20-242BK\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 97-321\u003cbr\u003e\u003cbr\u003eReplacement 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.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e• 180,000 PSI Rating (Grade 9)\u003cbr\u003e• Made from Steel\u003cbr\u003e• Black E-Coat Finish\u003cbr\u003e• 1\/2\" Wrench Size\u003cbr\u003e• 12-Point Bolt Head\u003cbr\u003e• Large Diameter Extra Thick Washer - .200\" Thick x 1.5\" Diameter\u003cbr\u003e• Reusable - Not Torque-To-Yield\u003cbr\u003e\u003cbr\u003e\u003cem\u003eTorque Harmonic Balancer Bolt to 85 ft\/lbs.\u003c\/em\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":48275892437219,"sku":"97-321","price":45.2,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/b6729f44bd71984ac211730663f69a85.jpg?v=1771069431","url":"https:\/\/fastlanespares.co.nz\/products\/holley-97-321-harmonic-balancer-bolt-chevy-big-block-12-point","provider":"Fast Lane Spares","version":"1.0","type":"link"}