{"product_id":"hammerhead-engine-top-end-assembly-61mm-171cc-for-gy6-150cc","title":"Hammerhead Engine Top End Assembly, 61mm (171cc) for GY6, 150cc","description":"\u003cdiv id=\"yiv4159503983yui_3_16_0_ym19_1_1460043407235_3221\"\u003e\n\u003cp\u003eThe Hammerhead 61mm Big Bore Cylinder Kit is a powerful 171.3cc bolt-on kit that boosts the performance of GY6-based 125cc and 150cc engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThis is the only 61mm cylinder kit available in the U.S. for GY6 engines (as far as we know).\u003c\/li\u003e\n\u003cli\u003eThe smaller outer cylinder skirt diameter (62.99mm versus the 65mm of other kits) means no cutting or modifications of the engine case are necessary.\u003c\/li\u003e\n\u003cli\u003eThe lightweight, cut-down piston further enhances performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for GY6 125\/150cc engines\u003c\/li\u003e\n\u003cli\u003eSize: 62.9mm Outer Cylinder Skirt Diameter\u003c\/li\u003e\n\u003cli\u003eBore: 61mm\u003c\/li\u003e\n\u003cli\u003eWrist pin and clips included\u003c\/li\u003e\n\u003cli\u003ePiston and Rings included\u003c\/li\u003e\n\u003cli\u003eBase gasket and head gasket included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Does not include head assembly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HammerHead Performance","offers":[{"title":"Default Title","offer_id":53483576164717,"sku":"1100-1288_hhpPS","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/2710\/4621\/files\/1100-1288_837e0f13-d892-446e-adea-4de8873ba38b.jpg?v=1782374616","url":"https:\/\/hammerheadperformance.com\/products\/hammerhead-engine-top-end-assembly-61mm-171cc-for-gy6-150cc","provider":"HammerHead Performance","version":"1.0","type":"link"}