Valves are made from 214N Stainless Steel
Valves are designed with a wasted stem from increased gas flow.
Valves are CNC machined
Exhaust Valve 34.0mm head size 2.9mm oversize 7mm stem 107.85mm length solid lifter only
Standard length + 2mm above collets so shim locates on valve by over 3mm for use with constant high RPM
we use this valve in our 2500cc alloy block n/a engine valve seats will have to be changed (bigger seats needed)