1.55in / 0.3413in / 4.91in / 0.285in / 10 Degree Flo O/C Hollow Exhaust Valve - Set by Ferrea
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 rpm’s 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.
Features
- Exhaust Valve
- Head Diameter: 1.55in
- Stem Diameter: 0.3413in
- Overall Length: 4.91in
- Tip Length: 0.285in
- References: 10 Degree Flo O/C Hollow
Benefits
- Manufacture gun drilling and micro polishing the hollow stem
