steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. the steel valves are made by the leading OEM factories in Japan and are a direct and cost-efficient OEM replacement.ProXThe
titanium valves do exceed OE specifications in dimensions and reliability.ProX coating offers extreme surface hardness and creates considerably lower friction. The CrN titanium valves are manufactured to high quality standards. high tech Ti3al alloy is forged in one-piece for extra strength while the material offers superior material properties at high temperatures the additional ProX is offering a wide range of steel and titanium engine valves as well as titanium into steel conversion kits. The Prox