To the wide selection of valves that Ferrea offer to the motorcycle market, we add the Hollow Stem Lightweight Valve, a unique piece that we manufacture gun drilling and micro polishing the hollow stem.
The use of light components in the valve train allows the increase in rpms and a generation of more HP (hollow stem valves achieve a weight reduction of about 20% compare with conventional stainless steel solid-stem valve).
These Ferrea valves feature radial grooves, friction welded tips, avionics chrome plated stems, super flo to improve flow design seat hardness up to 42 HRc.
Please Note: Picture are for representation only. Actual product may vary.