{"product_id":"earls-racing-products-head-bolt-set-hex-head-for-gm-gen-iii-iv-ls","title":"Earl's - Racing Products Head Bolt Set Hex Head for GM Gen III\/IV (LS)","description":"\u003cp\u003eUpgrade your GM Gen III\/IV (LS) engine with Earl's Racing Products Head Bolt Set, engineered for ultimate strength, durability, and ease of installation. Made from premium 170,000 PSI chrome moly alloy steel—15% stronger than Grade 8—these bolts provide superior clamping force while allowing multiple reuses. Designed with reduced wrench size and wide flanged heads, they offer extra clearance for rocker arms and full support for thick chrome moly washers. Black oxide finish ensures corrosion resistance, and each set is made in the USA for quality assurance. These reusable head bolts eliminate the hassle of replacing factory torque-to-yield bolts each time cylinder heads are removed. Perfect for high-performance and racing applications, this complete engine set delivers reliable performance and durability under extreme conditions.\u003c\/p\u003e\n\u003cp\u003e𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremium 170,000 PSI chrome moly alloy steel for maximum strength\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReusable design, not torque-to-yield for long-term reliability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHex head style with reduced wrench size for extra clearance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWide flanged heads provide full support for thick chrome moly washers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish for corrosion resistance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMade in the USA and sold as a complete engine set\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Earls","offers":[{"title":"Default Title","offer_id":45950696521927,"sku":"ERLHBS-001ERL","price":259.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/ERLHBS-001ERL.avif?v=1765514228","url":"https:\/\/mainstreeteshop.com\/products\/earls-racing-products-head-bolt-set-hex-head-for-gm-gen-iii-iv-ls","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}