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CHARLES in CA
At the time they were less expensive than OEM. Now seem to be similar price? I have run OEM, Faction Prox and Ferrera intakes and exhaust valves on mostly Honda 250 and 450. The Faction seem to last as long as all the others.
Read All ReviewsGavin in MT
before I installed these high rev springs I had to shim my valves after every couple of rides, I have had these in for about 5 months now and rode them hard for the whole weekend non stop and haven't had to adjust the valves at all, Love these springs.
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