{"product_id":"ref-65-721-sp","title":"KIBBLEWHITE LIGHT WEIGHT VALVE SPRING KIT YAMAHA WR250F 01-12, YZ250F 01-12","description":"\u003cbody\u003e\n\n\n\n\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eYAMAHA \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eYZF\/WRF 250 2001-2012,\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eLightweight Racing Valve Chrome Silicon Springs\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e. \u003cbr\u003eKibblewhite # 80-80069. \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eHIGH LIFT 0.380 INC. \u003cbr\u003eKPMI takes a scientific -System- approach when designing our Valve spring kits. Each component is designed to work with the others as part of the complete system. KPMI?s engineers use our proprietary design and simulation softwares, and draw on our 70+ years of design experience to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring?s force and natural frequency with the cam profile, valvetrain mass, system harmonics 65-722\" 46# Seat Pressure \/ 155 lb. at .450 lift\u003cbr\u003e Exhaust - 0.450 Valve Lift OK 46# Seat Pressure \/ 155 lb. at .450 lift\u003cbr\u003e KPMI takes a scientific -System- approach when designing our Valve spring kits. Each component is designed to work with the others as part of the complete system. KPMI?s engineers use our proprietary design and simulation softwares, and\u003c\/p\u003e \u003cp\u003ePart No. 65-721.SP  ( Ltd.)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMajority of our listings are for a direct replacement for your original part.\u003c\/p\u003e\n\u003cp\u003eOur parts are made of quality and are designed to meet or exceed the original OEM Standards.\u003c\/p\u003e\n\u003cp\u003eOur products are often a cost effective alternative to genuine OEM Parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: \u003c\/strong\u003ethe models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003c\/body\u003e","brand":"AW Motorcycle Parts","offers":[{"title":"Default Title","offer_id":55595355439478,"sku":"REF 65-721.SP","price":178.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7032\/3318\/files\/stock63477_1.jpg?v=1746781811","url":"https:\/\/n0jgtc-nz.myshopify.com\/products\/ref-65-721-sp","provider":"AW Motorcycle Parts","version":"1.0","type":"link"}