{"product_id":"arp-big-block-chevy-harmonic-balancer-bolt-1-2-20-x-1-550-uhl-square-drive-135-2503","title":"ARP Big Block Chevy Harmonic Balancer Bolt, 1\/2-20 x 1.550 UHL, Square Drive | 135-2503","description":"\u003cp\u003eThis ARP harmonic balancer bolt is designed for Big Block Chevy engines, machined from chromoly steel with a black oxide finish, featuring a hex head with a 1\/2 in square drive and includes a washer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: Harmonic Balancer Bolt\u003c\/li\u003e\n\u003cli\u003eThread: 1\/2-20 in\u003c\/li\u003e\n\u003cli\u003eLength: 1.550 in\u003c\/li\u003e\n\u003cli\u003eHead Style: 1-1\/8 in Hex Head\u003c\/li\u003e\n\u003cli\u003eDrive: 1\/2 in Square Drive\u003c\/li\u003e\n\u003cli\u003eWasher: Included\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\u003cli\u003ePart Number: 135-2503\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBig Block Chevy\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat thread size is this balancer bolt?\u003c\/h5\u003e\u003cp\u003eIt has a 1\/2-20 in thread and is 1.550 in long.\u003c\/p\u003e\u003ch5\u003eWhat head style does it use?\u003c\/h5\u003e\u003cp\u003eIt uses a 1-1\/8 in hex head with a 1\/2 in square drive, and a washer is included.\u003c\/p\u003e\u003ch5\u003eWhat material is the bolt made from?\u003c\/h5\u003e\u003cp\u003eIt is machined from chromoly steel with a black oxide finish.\u003c\/p\u003e\u003ch5\u003eWhat engines does this bolt fit?\u003c\/h5\u003e\u003cp\u003eThis harmonic balancer bolt is designed for Big Block Chevy engines.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What thread size is this balancer bolt?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It has a 1\/2-20 in thread and is 1.550 in long.\"}},{\"@type\":\"Question\",\"name\":\"What head style does it use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It uses a 1-1\/8 in hex head with a 1\/2 in square drive, and a washer is included.\"}},{\"@type\":\"Question\",\"name\":\"What material is the bolt made from?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is machined from chromoly steel with a black oxide finish.\"}},{\"@type\":\"Question\",\"name\":\"What engines does this bolt fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This harmonic balancer bolt is designed for Big Block Chevy engines.\"}}]}\u003c\/script\u003e","brand":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":42513207820336,"sku":"BQDN_135-2503","price":41.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/ARP135-2503.jpg?v=1761319007","url":"https:\/\/berryperformancesales.com\/products\/arp-big-block-chevy-harmonic-balancer-bolt-1-2-20-x-1-550-uhl-square-drive-135-2503","provider":"Berry Performance Sales","version":"1.0","type":"link"}