Oversize Intake Valve. Fits Twin Cam 2005-2017. High Flow .170in. Oversize Valve.

* High Flow

* 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 Dia = 1.980"

OAL = 4.455"

Stem Dia = 0.2757"

Tech Tips:-

If Used in Stock Heads Larger Seats Must be Installed.

Check valve to valve & valve to Piston clearances when fitting oversize valves.