{"product_id":"prox-01-4337-b-forged-piston-kit-for-kawasaki-kx250f-76-97-mm-standard-bore-13-5-1-compression","title":"PROX 01.4337.B Forged Piston Kit for Kawasaki KX250F, 76.97 mm Standard Bore, 13.5:1 Compression","description":"\u003cp\u003eThe PROX 01.4337.B Forged Piston Kit is a direct-interchange replacement designed for Kawasaki KX250F four-stroke motocross motorcycles with a standard-bore Nikasil cylinder. Built to provide reliable performance and a cost-effective alternative to OEM components, this kit supports proper engine rebuilding and dependable operation.\u003c\/p\u003e\u003cp\u003eThe piston kit includes the forged piston, piston rings, wrist pin, and retaining clips required for installation. Its 76.97 mm standard-bore piston and 13.5:1 compression ratio are matched to the original application, helping restore compression and engine performance when servicing worn or damaged top-end components.\u003c\/p\u003e\u003cp\u003eManufacturer: PROX. Brand: PROX. Manufacturer part number: 01.4337.B. Vendor part number: 19-4380B. Fitment includes the 2006, 2007, 2008, and 2009 Kawasaki KX250F. Verify the motorcycle year, model, bore specification, cylinder type, and compression requirements before installation. Professional installation and clearance checks are recommended to ensure proper piston-to-cylinder fit and reliable service.\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\u003eDirectly interchanges with OEM piston components\u003c\/li\u003e\n\u003cli\u003eForged piston designed for standard-bore Nikasil cylinders\u003c\/li\u003e\n\u003cli\u003e76.97 mm standard-bore piston with a 13.5:1 compression ratio\u003c\/li\u003e\n\u003cli\u003eComplete kit includes piston, rings, wrist pin, and retaining clips\u003c\/li\u003e\n\u003cli\u003eFits 2006-2009 Kawasaki KX250F models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2006 Kawasaki KX250F\u003cbr\u003e\n2007 Kawasaki KX250F\u003cbr\u003e\n2008 Kawasaki KX250F\u003cbr\u003e\n2009 Kawasaki KX250F","brand":"PROX","offers":[{"title":"Default Title","offer_id":67556516495595,"sku":"19-4380B","price":172.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/6fff-572a58aa0b715.jpg?v=1790748273","url":"https:\/\/ctracingservices.com\/products\/prox-01-4337-b-forged-piston-kit-for-kawasaki-kx250f-76-97-mm-standard-bore-13-5-1-compression","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}