{"product_id":"universal-parts-gy6-cylinder-head-gasket-kit-57-4mm-150cc-164-322","title":"Universal Parts GY6 Cylinder Head Gasket Kit - 57.4mm 150cc","description":"\u003ch2\u003eGY6 150cc Top-End Gasket Set\u003c\/h2\u003e\u003cp\u003eEnsure a perfect seal and maximum compression with the \u003cstrong\u003eUniversal Parts GY6 Cylinder Head Gasket Kit\u003c\/strong\u003e. Specifically designed for the standard \u003cstrong\u003e57.4mm bore 150cc engine\u003c\/strong\u003e, this comprehensive 5-piece kit provides every gasket required for a top-end rebuild. Whether you are performing a routine valve adjustment or installing a fresh cylinder, these gaskets are engineered to withstand the high thermal stress and combustion pressures of the 157QMJ engine family.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Rebuild Solution:\u003c\/strong\u003e Includes the head gasket, base gasket, exhaust gasket, intake manifold gasket, and timing chain tensioner gasket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Layer Head Gasket:\u003c\/strong\u003e Engineered for superior heat dissipation and high-pressure sealing to prevent \"blown\" head gaskets and compression loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Exhaust Seal:\u003c\/strong\u003e Features a reinforced exhaust ring to eliminate annoying exhaust leaks and \"popping\" during deceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Spec Fitment:\u003c\/strong\u003e Precision-cut for the standard 76mm diagonal bolt spacing found on most 125cc and 150cc GY6 platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis kit is a direct fit for \u003cstrong\u003eGY6 125cc and 150cc (QMI\/QMJ 152\/157)\u003c\/strong\u003e 4-stroke engines found in:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine \/ Brand\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCompatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGY6 150cc (157QMJ)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTaoTao, Wolf, Icebear, Peace Sports, Bintelli\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOff-Road \/ Karts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHammerhead, TrailMaster, and Kandi 150cc Buggies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDesigned specifically for **57.4mm** Cylinder Bores\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagonal Bolt Spacing:\u003c\/strong\u003e 76mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Gasket Inner Diameter:\u003c\/strong\u003e 59mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Gasket Inner Diameter:\u003c\/strong\u003e 62.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Gasket ID\/OD:\u003c\/strong\u003e 23.5mm \/ 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManifold ID:\u003c\/strong\u003e 25mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e Gaskets are \"one-time use\" items—never attempt to reuse old gaskets during a rebuild.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Ensure both the cylinder and head surfaces are perfectly clean and free of old gasket material before assembly.\u003c\/blockquote\u003e\u003cblockquote\u003e \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Always use a \u003cstrong\u003eTorque Wrench\u003c\/strong\u003e to tighten your head studs in a \"star pattern\" to ensure even pressure and prevent the head from warping!\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 137-02 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Scooterworks USA, LLC\u003c\/p\u003e","brand":"Scooterworks USA, LLC","offers":[{"title":"Default Title","offer_id":50719030870296,"sku":"164-322","price":7.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/GY6150ccCylindergasketkitwithheadgasket.jpg?v=1777057822","url":"https:\/\/www.scooterworks.com\/products\/universal-parts-gy6-cylinder-head-gasket-kit-57-4mm-150cc-164-322","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}