{"product_id":"arp-gm-duramax-harmonic-balancer-bolt-18mm-x-1-50-2-750-in-long-chromoly-129-2503","title":"ARP GM Duramax Harmonic Balancer Bolt, 18mm x 1.50, 2.750 in Long, Chromoly | 129-2503","description":"\u003cp\u003eThis ARP harmonic balancer bolt is built for the GM Duramax. It has an 18mm x 1.50 thread, measures 2.750 in long, with a 36mm 12-point head, machined from chromoly steel and finished in black oxide.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThread: 18mm x 1.50 in\u003c\/li\u003e\n\u003cli\u003eLength: 2.750 in\u003c\/li\u003e\n\u003cli\u003eHead: 36mm 12-Point\u003c\/li\u003e\n\u003cli\u003eMaterial: Chromoly\u003c\/li\u003e\n\u003cli\u003eFinish: Black Oxide\u003c\/li\u003e\n\u003cli\u003eQuantity: Each\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGM Duramax\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat engine does this harmonic balancer bolt fit?\u003c\/h5\u003e\u003cp\u003eIt is designed for the GM Duramax.\u003c\/p\u003e\u003ch5\u003eWhat thread and length does this bolt use?\u003c\/h5\u003e\u003cp\u003eAn 18mm x 1.50 thread, 2.750 in long.\u003c\/p\u003e\u003ch5\u003eWhat type of head does this bolt have?\u003c\/h5\u003e\u003cp\u003eA 36mm 12-point head.\u003c\/p\u003e\u003ch5\u003eWhat material and finish does it have?\u003c\/h5\u003e\u003cp\u003eChromoly steel with a black oxide finish.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this harmonic balancer bolt fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is designed for the GM Duramax.\"}},{\"@type\":\"Question\",\"name\":\"What thread and length does this bolt use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"An 18mm x 1.50 thread, 2.750 in long.\"}},{\"@type\":\"Question\",\"name\":\"What type of head does this bolt have?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 36mm 12-point head.\"}},{\"@type\":\"Question\",\"name\":\"What material and finish does it have?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Chromoly steel with a black oxide finish.\"}}]}\u003c\/script\u003e","brand":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":42689393918000,"sku":"BQDN_129-2503","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/ARP129-2503.jpg?v=1767626118","url":"https:\/\/berryperformancesales.com\/products\/arp-gm-duramax-harmonic-balancer-bolt-18mm-x-1-50-2-750-in-long-chromoly-129-2503","provider":"Berry Performance Sales","version":"1.0","type":"link"}