{"product_id":"earls-racing-products-head-bolt-set-hex-head-for-gm-gen-iii-iv-ls-1","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 Hex Head, engineered for superior strength, durability, and performance. Crafted from premium 170,000 PSI chromemoly alloy steel—approximately 15% stronger than Grade 8—these bolts are designed to handle high-performance applications while remaining reusable. The reduced wrench size and wide flanged heads provide extra clearance for rocker arms and full support for thick chromemoly washers. Finished in black oxide for corrosion resistance, this complete engine set is made in the USA for trusted quality. Ideal for high-performance builds and engine upgrades, these reusable head bolts eliminate the need to replace factory torque-to-yield bolts every time cylinder heads are removed. They deliver consistent clamping force, reliability, and convenience for your engine work.\u003c\/p\u003e\n\u003cp\u003e𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremium 170,000 PSI chromemoly 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 chromemoly 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":45950706581703,"sku":"ERLHBS-002ERL","price":201.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/ERLHBS-002ERL.avif?v=1765514462","url":"https:\/\/mainstreeteshop.com\/products\/earls-racing-products-head-bolt-set-hex-head-for-gm-gen-iii-iv-ls-1","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}