{"product_id":"small-block-chevy-harmonic-balancer-bolt-small-hex-head-5-8-spanner","title":"Small Block Chevy Harmonic Balancer Bolt Small Hex Head, 5\/8\" Spanner","description":"\u003cdiv\u003e\n\u003ch2\u003eAeroflow Small Block Chevy Harmonic Balancer Bolt\u003c\/h2\u003e\n\u003cp\u003eDesigned specifically for Small Block Chevy V8 engines, this bolt delivers reliable, torque-consistent mounting for your harmonic balancer. Crafted from Grade 8 steel and heat-treated for enhanced strength, it stands up to the demands of engine rotation and service intervals.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThread size:\u003c\/strong\u003e 7\/16-20\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUnder Head Length:\u003c\/strong\u003e 2.250\" (57 mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWasher:\u003c\/strong\u003e extra thick, parallel-ground washer included;.310\" (7.8 mm) thick x 1.750\" (44 mm) diameter\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpanner size:\u003c\/strong\u003e 5\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTorque setting:\u003c\/strong\u003e 60 ft-lbs (81 Nm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead design:\u003c\/strong\u003e high hex head to minimize socket slippage during assembly or service checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe bolt features a durable zinc dichromate gold-tone finish and includes a split lock washer to resist loosening caused by engine vibration. An extra-thick, parallel-ground washer ensures more accurate and uniform torque, helping maintain secure balancer fastening throughout your engine’s life.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47288117592234,"sku":"AF37-1400","price":25.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/s-l1600_1_17d777d7-df55-4c8b-89ec-0205ef165793.webp?v=1754025657","url":"https:\/\/tgmperformance.com.au\/products\/small-block-chevy-harmonic-balancer-bolt-small-hex-head-5-8-spanner","provider":"TGM Performance Parts","version":"1.0","type":"link"}