{"title":"Big Bore Kits","description":null,"products":[{"product_id":"klx-140-big-bore-kit-63mm-170cc","title":"Klx 140 big bore kit 63mm (170cc)","description":"\u003cp\u003e\u003cspan\u003eThe Klx 140 big bore kit features a 63mm bore, increasing engine displacement to 170cc. Designed by ACG, this kit enhances power output while maintaining reliability and durability, ensuring optimal performance for extended use and a longer lifespan of the engine components under demanding conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote: this kit only works with oem head and stock valve size. if you have a big valve head please let us know the valve size of your head so we make the valve reliefs bigger.\u003c\/span\u003e\u003c\/p\u003e","brand":"ACG ","offers":[{"title":"Default Title","offer_id":47632882434284,"sku":null,"price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/3636\/5292\/files\/IMG-9135.png?v=1792171524"},{"product_id":"klx-140-big-bore-kit-66mm-186cc","title":"Klx 140 big bore kit 66mm (186cc)","description":"\u003cp\u003e\u003cspan\u003eThe Klx 140 big bore kit features a 66mm cylinder, enhancing engine displacement to 186cc for improved power output. Designed by ACG, it necessitates case boring for installation and optimally pairs with a forged rod or aftermarket crank, enabling enhanced performance and reliability under demanding conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eNote: this kit only works with oem head and stock valve size. if you have a big valve head please let us know the valve size of your head so we make the valve reliefs bigger.\u003c\/span\u003e\u003c\/p\u003e","brand":"ACG ","offers":[{"title":"Default Title","offer_id":47632883548396,"sku":null,"price":195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/3636\/5292\/files\/IMG-9135.png?v=1792171524"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/3636\/5292\/collections\/859DAF13-CB82-45B5-92BA-C361D84EB852.jpg?v=1792169782","url":"https:\/\/officialacg.com\/collections\/big-bore-kits.oembed","provider":"ACG ","version":"1.0","type":"link"}