* Stock length & head diameter * Extreme Duty * High Flow * one piece forged racing grade stainless steel alloy. * Liquid nitriding process creates a
* Stock length & head diameter* Extreme Duty* High Flow* one piece forged racing grade stainless steel alloy.* Liquid nitriding 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* Replaces OEM # 18074-83Head Dia = 1.845OAL = 4.458Stem Dia = 0.3108