{"product_id":"prox-19-9544-28-ses2402-1-steel-valve-exhaust-kit-2670","title":"Pro X Exhaust Valve Conversion SET TI-Steel GAS - 28.SES2402-1 Yamaha WR 250 \/ YZ 250 2001-2013","description":"\u003cp\u003eLatest addition to the ProX program is the Exhaust Valve \u0026amp; Spring Kits. This kit is offered as an alternative where the OEM application uses Titanium valves. ProX has now developed the Exhaust Valve \u0026amp; Spring Kits, containing a set of steel intake or exhaust valves plus a set of specially designed stronger valve springs. The ProX kit just replaces the OEM valves \u0026amp; valve springs and can be installed using the OEM retainers, bases and valve seals.\u003c\/p\u003e\u003cbr\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel Valves for increased durability and less wear under extreme conditions\u003c\/li\u003e\n\u003cli\u003eNitrided valves offer high microhardness while supersmooth surface finish reduces friction between stem and guide\u003c\/li\u003e\n\u003cli\u003eSpecial stronger valve springs deal with the extra weight of the steel valves\u003c\/li\u003e\n\u003cli\u003eSprings are made from premium Chrome Vanadium Steel for higher performance and durability at high RPMs\u003c\/li\u003e\n\u003cli\u003eFully rebuildable with OEM retainers, bases and seals without the need of any further engine modifications\u003c\/li\u003e\n\u003cli\u003eComes as complete package for quick, easy and cost efficient replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"PROX","offers":[{"title":"Default Title","offer_id":46635292786905,"sku":"WPS19-9544","price":155.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/0421\/8799\/files\/9895-5b18659ec0f94.jpg?v=1747523590","url":"https:\/\/spazcycle.com\/products\/prox-19-9544-28-ses2402-1-steel-valve-exhaust-kit-2670","provider":"SpazCycle","version":"1.0","type":"link"}