{"product_id":"gy6-stock-cylinder-head-valve-installed-57-4","title":"GY6 Stock Cylinder Head (Valve Installed, 57.4)","description":"\u003ch2\u003eGY6 Cylinder Head for 150cc Engines\u003c\/h2\u003e\u003cp\u003eThis full cylinder head suits 150cc GY6 engines and arrives with the valves already fitted, so it is a straightforward option for a repair. When an engine loses compression or develops valve problems, a new head is usually the next step. It is one of the core \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e for keeping an engine running well.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eThe cylinder head plays a central role in how a 4-stroke engine operates. Ticking noises or burnt valves can point to a need for head work or a full replacement. Before fitting, confirm that the head matches your engine code and bore size.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Cylinder head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 150cc engines with a stock cylinder head (valve installed, 57.4)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGY6 150cc engine (stock cylinder head, valves installed)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Pair this head with a GY6 150cc engine. The 57.4 figure is the valve size or head spec listed in the title.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-cylinder-heads\"\u003eScooter Cylinder Heads \u0026amp; Valves\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51137878982713,"sku":"TT-23469","price":39.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/stock-cylinder-head-valve-installed-57-4-for-gy6-1.jpg?v=1794369128","url":"https:\/\/www.trendtimes.com\/products\/gy6-stock-cylinder-head-valve-installed-57-4","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}