{"product_id":"75cc-cast-iron-cylinder-kit-with-47mm-bore","title":"75cc Cast Iron Cylinder Kit with 47mm Bore","description":"The Polini 75cc cylinder kit is designed to increase displacement and power output for Piaggio APE 50 (including FL, FL2, FL3, and RST MIX 6-spring models) and Vespa 50 series scooters, such as the PK, Special, and XL variants. Featuring a durable cast-iron construction, this 75cc thermal group utilizes a 47mm bore and 43mm stroke to enhance engine efficiency.\n\nThe kit incorporates a high-performance 6-port design equipped with exhaust booster holes to optimize gas flow and throttle response. Please note that this installation requires the use of a long-thread, long-pitch spark plug for correct operation. This performance part is intended for small-frame 2-stroke engine applications.","brand":"Polini","offers":[{"title":"Default Title","offer_id":52663286595896,"sku":"140.0053-R","price":135.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687525780.jpg?v=1784325638","url":"https:\/\/store.motormia.co\/products\/75cc-cast-iron-cylinder-kit-with-47mm-bore","provider":"MOTORMIA","version":"1.0","type":"link"}