{"product_id":"koso-4-valves-cylinder-head-mc623000","title":"KOSO 4 Valves Cylinder Head (MC623000)","description":"\u003cp\u003eThe Koso 4V Head Kit is the ideal engine part to complete the Koso Honda Grom® Big Bore kit. Because of its unique 4 valve design, the air flow and performance are increased. This new designed head is the perfect addition for those who desire more power and torque.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot legal for use in California on pollution controlled vehicles, race use only in California - waiver available.\u003c\/li\u003e\n\u003cli\u003eRequires the use of Iridium spark plug\u003c\/li\u003e\n\u003cli\u003eThe 4 Valve Head Kit features a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves. Only fits Koso 170cc big bore kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KOSO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MC623000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KOSO","offers":[{"title":"Default Title","offer_id":47810752577620,"sku":"MC623000","price":927.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/cceb-5fa1d109a7738.jpg?v=1791802452","url":"https:\/\/ggcracing.com\/en-co\/products\/koso-4-valves-cylinder-head-mc623000","provider":"GGCRACING INC","version":"1.0","type":"link"}