Description Stainless Steel Intake Valves Type HeadDia. StemDia. InstalledHeight Int. 2.190 .3720 Stock These valves have become the standard upon which all marineheads are constructed. If someone is telling you they have a valve just asgood or better than a Manley Inconel valve “Beware”. There’s a reasonthey are the choice of real marine engine builders and cylinder headmanufacturers, no other valve has the ability to make the claim of havingover 1,000 times the fatigue strength of other competitive valves. Note: This one part in your engine quite possibly takes the most strainof any given part in your engine.
