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Faction mx high rev valve springs.

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I was wondering if faction mx high rev valves springs (fmx-sk-kxf250) had a higher spring rate to run with stainless steel valves. Or just for oem titanium valves.

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I have a set on a crf250,  stock valves (titanium intake,  stainless exhaust),   but I would be addressing that to the mfr and NOT someone you don't know on a forum.  I haven't been to their site in a year or two,  they were selling stainless valves for everything,  so I would be guessing that they have springs for them.  My springs came with a "project" i bought,  and I called them about a concern,  they were helpful. 

Edited by ossagp

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