{"product_id":"hammerhead-58-5mm-cylinder-head-complete-for-150cc-gy6","title":"Hammerhead 58.5mm Cylinder Head Complete for 150cc, GY6","description":"\u003cp\u003eHammerhead 58.5mm Complete Cylinder Head for 150cc and 125cc GY6 4-stroke engines\u003cbr\u003e\u003cbr\u003eThis head has a deeper chamber for more efficient combustion.\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan\u003ePlease note\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e: The threaded exhaust flange holes are only 10mm deep on this head. You may need to trim exhaust studs or use bolts for a proper seal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eExhaust Valve Diameter: 23mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntake Valve Diameter: 27.75mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExhaust Port Diameter: 26.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntake Port Diameter: 27.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HammerHead Performance","offers":[{"title":"Default Title","offer_id":53483586912621,"sku":"169-325_PS","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/2710\/4621\/files\/169-325.main.03.jpg?v=1782378951","url":"https:\/\/hammerheadperformance.com\/products\/hammerhead-58-5mm-cylinder-head-complete-for-150cc-gy6","provider":"HammerHead Performance","version":"1.0","type":"link"}