PROX
PROX STEEL EXHAUST VALVE/SPRING KIT YZ450F '10-11
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INT. VALVE/SPRING KIT RM-Z450 '08-11 + RMX450Z
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT CRF250R '10-11
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT CRF450R '02-08
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT CRF450R '09-11
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT CRF450X '05-09
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT KX450F '06-08 + KFX450R
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT KX450F '09-11
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT LT-R450 '06-11
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT RM-Z450 '05-06
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT RM-Z450 '07
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT YZ450F '10-11
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL INTAKE VALVE/SPRING KIT YZ450F'03-09+WR450F'03-11
Replaces the OEM valves & valve springsSteel, nitrided valves for increased durability and less wear..
PROX STEEL PLATE CR250 '86-07 + CRF450R '02-11
ProX clutch steel and alloy plates are manufactured by the leading OEM factories, mainly in Japan. A..
PROX STEEL PLATE KTM85/105SX '03-17
ProX clutch steel and alloy plates are manufactured by the leading OEM factories, mainly in Japan. A..