X2 Exhaust Valve Lock

X2 steel valves are a direct descendant of the Xceldyne full race titanium valves.Increased flow over stock valves.Optimized for weight reduction.Specialized high performance steel alloys specific to the intake and exhaust valve.Oversized kits available.Designed to work with X2 or Xceldyne premium full race components.Designed specifically for the off-road enthusiast.Available as single units or in various kit forms including the valves, springs, retainers,locaters, and locks