{"product_id":"170cc-big-bore-kit-61mm-11-5-1","title":"170cc Big Bore Kit 61mm 11.5:1","description":"The Koso North America 170cc Big Bore Kit is engineered to significantly enhance the performance of your Honda Grom. This kit provides a substantial increase in displacement to 170cc, allowing for greater power output. The kit features a 61mm bore size and a 11.5:1 compression ratio, enabling the use of premium pump gas while maintaining the reliability of the stock motor.\n\nIt comes complete with all necessary parts for installation, such as rings, a piston pin, a circlips, banjo bolts, crush washers, base gasket, head gasket, and a full ring set (top ring, second ring, two oil rings, and an oil ring spacer).","brand":"Koso","offers":[{"title":"Default Title","offer_id":52686542799160,"sku":"MB623002","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/658754672.jpg?v=1784874743","url":"https:\/\/store.motormia.co\/products\/170cc-big-bore-kit-61mm-11-5-1","provider":"MOTORMIA","version":"1.0","type":"link"}