{"product_id":"gy6-232cc-cygnus-67mm-4v-forged-piston-kit","title":"GY6 232cc Cygnus 67mm 4V Forged Piston Kit","description":"\u003ch2\u003e67mm Forged Piston Kit for GY6 232cc Engines\u003c\/h2\u003e\u003cp\u003eThis GY6 232cc Cygnus 67mm 4V Forged Piston Kit suits riders building off-road or competition engines who want more output and better efficiency. It is made for \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e and matches 4-stroke engines such as the QMJ152, QMJ157, QMI152, and QMI157. Built from lightweight forged aluminum, this piston offers a reliable way to add power to your engine.\u003c\/p\u003e\u003ch3\u003ePiston Construction and Design\u003c\/h3\u003e\u003cp\u003eThe piston measures 67mm across and is forged from lightweight aluminum, so it can handle demanding performance use. It has four valve reliefs to suit a 4V Cygnus-style cylinder head. The crown carries the stamp \"67.0\", which makes it easy to identify and helps with accurate fitting.\u003c\/p\u003e\u003ch3\u003eInstallation and Components\u003c\/h3\u003e\u003cp\u003eEverything needed for installation comes in the box: one piston, three compression rings, one oil control ring, a 15mm steel wrist pin, and two circlips. With all parts included, the swap is simple on compatible engines. Replace the piston when performance drops or when engine parts show wear.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 67mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height:\u003c\/strong\u003e 38mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Valve Sizes:\u003c\/strong\u003e 23mm intake \/ 25mm exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e GY6 232cc 4-stroke, 4V Cygnus-style head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e piston, three compression rings, one oil control ring, wrist pin, two circlips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 232cc 4-stroke engines with 4V Cygnus-style cylinder heads (67mm bore)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 QMJ152 \/ QMJ157 (232cc 4V Cygnus-style head builds)\u003c\/li\u003e\n\u003cli\u003eGY6 QMI152 \/ QMI157 (232cc 4V Cygnus-style head builds)\u003c\/li\u003e\n\u003cli\u003eOther GY6-based 4V Cygnus-style head 232cc engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm the engine's valve sizes: 23mm intake and 25mm exhaust, on a 4V Cygnus-style head, with a 67mm bore.\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-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\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":51135731990585,"sku":"TT-16392","price":146.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/67mm-4v-forged-piston-kit-for-gy6-232cc-cygnus-1.jpg?v=1794349641","url":"https:\/\/www.trendtimes.com\/products\/gy6-232cc-cygnus-67mm-4v-forged-piston-kit","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}