Manufactured by the leading OEM factories in JapanMade to exact OEM specs and tolerancesThe steel valves are a direct and cost efficient OEM replacement
||Prox Racing Parts
ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. ProX steel valves are made by the leading OEM factories in Japan and are a direct and cost-efficient OEM replacement. ProX steel valves can be used in combination with all the OEM valve train components like valve springs, guides, bases and retainers.