Valve Train

ProX Steel Exhaust Valve CRF450R 13-23 + CRF450RX 17-23 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve...

ProX Steel Exhaust Valve CRF450R 02-06 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are made by the...

ProX Steel Exhaust Valve CRF250R 10-15 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are made by the...

ProX Steel Exhaust Valve CRF250R 08-09 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are made by the...

ProX Steel Exhaust Valve CRF250R 04-07 + CRF250X 04-17 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve...

ProX Steel Exhaust Valve CRF150R 07-23 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are made by the...

ProX Steel Intake Valve/Spring Kit YZ450F03-09+WR450F03-15 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX...

ProX Steel Intake Valve/Spring Kit RM-Z450 08-23 + RMX450Z Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX...

ProX Steel Intake Valve/Spring Kit RM-Z250 07-23 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit LT-R450 06-11 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit KX450F 09-18 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit KX450F 06-08 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit KX250F 11-16 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit KX250F 09-10 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit KX250F 07-08 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit KX250F 04-06 RM-Z250 04-06 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX...

ProX Steel Intake Valve/Spring Kit CRF450R 09-16 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit CRF450R 02-08 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit CRF250R 10-17 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit CRF250R 08-09 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Intake Valve/Spring Kit CRF250R 04-07 + CRF250X Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX...

ProX Steel Intake Valve/Spring Kit YZ250F 01-13 + WR250F Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX...

ProX Steel Exhaust Valve/Spring Kit YZ450F 10-13 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Exhaust Valve/Spring Kit YZ/WR450F 03-09 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Exhaust Valve/Spring Kit YZ/WR250F 01-13 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Exhaust Valve/Spring Kit RM-Z450 08-23 + RMX450Z Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX...

ProX Steel Exhaust Valve/Spring Kit RM-Z450 07 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are made...

ProX Steel Exhaust Valve/Spring Kit RM-Z450 05-06 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Exhaust Valve/Spring Kit RM-Z250 07-23 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...

ProX Steel Exhaust Valve/Spring Kit LT-R450 06-11 Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX valve are...