- one piece forged racing grade stainless steel alloy.
* Black Nitride process creates a valve that is smoother and stronger than O.E.M.
* Stems are centerless ground for a longer life
* 45o angle below the lock groove to facilitate the valve seal installation
Head Diameter = 1.610in.
Overall Length = 4.545in.
Stem Diameter = 7mm / 0.2755in.
*** Check valve to valve & valve to Piston clearances when fitting oversize valves