{"product_id":"wiseco-big-bore-piston-kit-for-honda-xr250r-xr250l-77-00mm","title":"Wiseco Big Bore Piston Kit for Honda XR250R \/ XR250L (77.00mm)","description":"\u003cp\u003eWiseco Big Bore Piston Kit (Part Number: 4466M07700) for Honda XR250R\/XR250L, delivering 263cc displacement at 77.00mm bore with 10.5:1 compression ratio. Forged from aerospace-grade alloy and precision-machined in the USA for superior strength-to-weight characteristics. Complete kit includes high-performance ring set and alloy pin, eliminating multiple sourcing requirements. Features a horizontal slot-pin oiling design that reduces friction and enhances scuff resistance, complemented by a pressure-seal groove for optimal ring seating. The race-proven dome finish incorporates smooth combustion edges for improved flow dynamics. Four-stroke applications benefit from Wiseco's Armor Glide skirt coating, which minimizes friction and noise while contributing to measurable horsepower gains. Engineered to OEM specifications for 1986-2004 XR250R and 1991-1996 XR250L models, this kit represents proven performance technology trusted by professional racing teams across Supercross, Motocross, and GNCC competition.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\u003cspan style=\"color: rgb(33, 43, 54); font-family: -apple-system, BlinkMacSystemFont,;\"\u003e *Free Shipping! \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\n\u003cspan style=\"color: rgb(33, 43, 54); font-family: -apple-system, BlinkMacSystemFont,;\"\u003e *📦 We \u003c\/span\u003e \u003cspan style=\"color: rgb(33, 43, 54); font-family: -apple-system, BlinkMacSystemFont,;\"\u003e only ship to the lower 48 states. We do not ship to Alaska, Hawaii, Guam, or Puerto Rico \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\u003cspan style=\"color: rgb(33, 43, 54); font-family: -apple-system, BlinkMacSystemFont,;\"\u003e \u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg style=\"max-width: 100%;\" src=\"https:\/\/hit.ebsh.io\/t\/hit.gif\"\u003e\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":41712042082378,"sku":"4466M07700","price":197.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0226\/1499\/9114\/files\/4466M07700.webp?v=1766068728","url":"https:\/\/updogindustries.com\/products\/wiseco-big-bore-piston-kit-for-honda-xr250r-xr250l-77-00mm","provider":"UpdogIndustries.com","version":"1.0","type":"link"}