ProX Racing Parts Engine Exhaust Valve Kit - 28.SIS1409-2
ProX Steel Intake Valve/Spring Kit CRF450R '09-16
$139.95
ProX Racing Parts
ProX Racing Parts Engine Exhaust Valve Kit - 28.SIS2402-2
ProX Steel Intake Valve/Spring Kit YZ250F '01-13 + WR250F
$195.95
ProX Racing Parts Engine Exhaust Valve Kit - 28.SIS2414-2
ProX Steel Intake Valve/Spring Kit YZ250F '14-18
$149.95
ProX Racing Parts Engine Exhaust Valve Kit - 28.SIS2424-2
ProX Steel Intake Valve/Spring Kit YZ450F'03-09+WR450F'03-15
$195.95
ProX Racing Parts Engine Exhaust Valve Kit - 28.SIS2440-2
ProX Steel Intake Valve/Spring Kit YZ450F '10-13
$139.95
ProX Racing Parts Engine Exhaust Valve Kit - 28.SIS2444-2
ProX Steel Intake Valve/Spring Kit YZ450F'14-17+WR450F'16-18
$159.95