{"product_id":"prox-01-2448-a-forged-piston-kit-for-yamaha-yz450f-yz450fx-and-wr450f","title":"PROX 01.2448.A Forged Piston Kit for Yamaha YZ450F, YZ450FX and WR450F","description":"\u003cp\u003eThe PROX 01.2448.A Forged Piston Kit is a direct-interchange replacement for select Yamaha four-stroke motorcycles. Designed for engines with a Nikasil cylinder and a standard 96.95 mm piston size, this kit provides a reliable alternative to OEM pricing while maintaining the fit and functionality required for proper engine service.\u003c\/p\u003e\u003cp\u003eThis PROX piston kit is supplied as a complete assembly with the forged piston, piston rings, wrist pin, and retaining clips. The 12.8:1 compression ratio supports the original engine configuration and is intended for compatible Yamaha applications. Always compare the existing piston specifications and follow the manufacturer’s service procedures before installation.\u003c\/p\u003e\u003cp\u003eFitment includes the 2018 Yamaha YZ450F; 2019 Yamaha YZ450F, YZ450FX, and WR450F; and the 2020 Yamaha WR450F. Manufactured by PROX, this kit is identified by manufacturer part number 01.2448.A and vendor part number 19-2448A. It is designed for direct interchange with the corresponding OEM components, making it suitable for engine rebuilding and routine top-end replacement when compatibility is confirmed.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCost-effective alternative to OEM pricing\u003c\/li\u003e\n\u003cli\u003eDirect interchange with compatible OEM parts\u003c\/li\u003e\n\u003cli\u003eComplete forged piston kit with piston, rings, wrist pin, and retaining clips\u003c\/li\u003e\n\u003cli\u003eStandard 96.95 mm piston size for Nikasil cylinders\u003c\/li\u003e\n\u003cli\u003e12.8:1 compression ratio\u003c\/li\u003e\n\u003cli\u003eFits 2018 Yamaha YZ450F; 2019 Yamaha YZ450F, YZ450FX, and WR450F; and 2020 Yamaha WR450F\u003c\/li\u003e\n\u003cli\u003eBrand: PROX\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 01.2448.A\u003c\/li\u003e\n\u003cli\u003eVendor part number: 19-2448A\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2018 Yamaha YZ450F\u003cbr\u003e\n2019 Yamaha WR450F\u003cbr\u003e\n2019 Yamaha YZ450F\u003cbr\u003e\n2019 Yamaha YZ450FX\u003cbr\u003e\n2020 Yamaha WR450F","brand":"PROX","offers":[{"title":"Default Title","offer_id":67556527800555,"sku":"19-2448A","price":191.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/789d-60aeb6dbcbbd8.jpg?v=1790748706","url":"https:\/\/ctracingservices.com\/products\/prox-01-2448-a-forged-piston-kit-for-yamaha-yz450f-yz450fx-and-wr450f","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}