ProX 00-07 TT-R125/YBR125 Steel Intake Valve
$31.40
PRX28.2200-2
Engine Components
Valves
The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. the steel valves are made by the leading...
ProX 00-22 KX65/03-05 RM65 Piston Ring Set (44.50mm)
$42.89
PRX02.4021
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 01-05 660 Raptor/02-08 Grizzly Steel Intake Valve
$38.78
PRX28.2661-2
Engine Components
Valves
The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. the steel valves are made by the leading...
ProX 01-05 YFM660R Piston Kit (101.00mm)
$141.80
$120.88
PRX01.2660.100
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 02-03 CRF450R Piston Kit 11.5:1 (95.96mm)
$212.46
$208.57
PRX01.1403.A
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 02-06 CRF450R Steel Exhaust Valve
$46.81
PRX28.1402-1
Engine Components
Valves
The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. the steel valves are made by the leading...
ProX 02-22 YZ85 Piston Ring Set (47.50mm)
$42.89
PRX02.2113
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 03-07 CR85 Piston Ring Set (47.50mm)
$42.89
PRX02.1113
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 03-12 Pol. 500 Scrambler Piston Kit 10.2:1 (93.00mm)
$144.98
PRX01.5513.100
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 03-17 KTM 85SX/14-17 Husqv TC85 Friction Plate Set
$72.65
PRX16.S51011
Clutch Discs
Drivetrain
ProX clutch Friction Plates are manufactured by the leading OEM factories, mainly in Japan. All friction plates are made to exact OEM specifications and...
ProX 04-05 KX250F/04-06 RM-Z250 Front Sprocket
$34.01
PRX07.FS43004-13
Drivetrain
Sprockets
ProX offers a complete range of front and rear sprockets. The perfect fit together with the drive chains. The front sprockets are grooved and...
ProX 04-06 YFZ450 Friction Plate Set
$72.81
PRX16.S24028
Clutch Discs
Drivetrain
ProX clutch Friction Plates are manufactured by the leading OEM factories, mainly in Japan. All friction plates are made to exact OEM specifications and...
ProX 04-09 CRF250R/04-17 CRF250X Piston Kit 13.5:1 (77.99mm)
$208.50
$205.01
PRX01.1339.C
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 04-17 KTM 300/14-17 Husq TE300 EXCRing Set (72.00mm)
$56.65
PRX02.6394
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 05-07 CR250 Piston Ring Set (66.40mm)
$57.72
PRX02.1325
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 05-11 KVF750 Brute Force Piston Kit 8.8:1 (84.96mm)
$148.46
PRX01.4705.A
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 06-09 KX250F Piston Kit 13.5:1 (76.96mm)
$183.78
$182.76
PRX01.4337.A
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 06-20 KX450F/00-21 DR-Z400 Steel Plate Set
$54.02
PRX16.S34016
Clutch Rebuild Kits
Drivetrain
ProX clutch steel and alloy plates are manufactured by the leading OEM factories, mainly in Japan. All plates are made to exact OEM specifications...
ProX 06-21 YFM700R Raptor/XT660R/X Steel Exhaust Valve
$45.33
PRX28.2706-1
Engine Components
Valves
The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. the steel valves are made by the leading...
ProX 07-21 TRX420 Rancher Piston Ring Set (87.00mm)
$52.65
PRX02.1487.050
Engine Components
New Products
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 07-21 TRX420 Rancher Piston Ring Set (87.50mm)
$51.71
PRX02.1487.100
Engine Components
New Products
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 07-21TRX420 Rancher Piston Ring Set (88.50mm)
$52.65
PRX02.1487.200
Engine Components
New Products
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 08-22 RM-Z450 Friction Plate Set
$132.90
PRX16.S34030
Clutch Discs
Drivetrain
ProX clutch Friction Plates are manufactured by the leading OEM factories, mainly in Japan. All friction plates are made to exact OEM specifications and...
ProX 09-21 YFZ450R Crankshaft Bearing Kit
$106.19
$103.90
PRX23.CBS24009
Crankshafts
Engine Components
ProX crankshaft bearings and seals are manufactured at leading OEM factories, mainly in Japan. All bearings and seals are made to exact OEM specifications,...
ProX 10-11 KTM400/450/530EXC-R Complete Clutch Plate Set
$332.59
PRX16.CPS64010
Clutch Rebuild Kits
Drivetrain
To be sure that the clutch plates and springs are perfectly matched for ultimate clutch performance. ProX offers one part number for the matched...
ProX 10-13 CRF250R ART Piston Kit 13.2:1 (76.77mm)
$201.37
PRX01.1342.A
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 10-13 YZ450F Steel Intake Valve/Spring Kit
$157.34
$132.22
PRX28.SIS2440-2
Engine Components
Valves
Titanium or steel valves? It is up to you! Fortunately OEM prices for the Titanium valves slowly decreased over the years to a level...
ProX 11-20 KTM85SX/12-17 Freeride 350 Rear Brake Pad
$42.86
PRX37.289102
Brake Pads - Performance
Brakes, Rotors & Pads
New Products
ProX sintered brake pads are produced under a very strict sintering process. During this sintering process, metallic particles are fused by a combination with...
ProX 13-16 CRF450R Piston Kit 12.5:1 (95.98mm)
$213.79
PRX01.1413.C
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 16-18 YZ250F/17-18 250FX Piston Kit 13.5:1 (76.96mm)
$199.02
$173.59
PRX01.2417.B
Engine Components
Piston Sets - Powersports
ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options...
ProX 2007 RMZ450 Carburetor Rebuild Kit
$62.49
PRX55.10464
Carburetors
Fuel Delivery
ProX Racing Parts high quality carburetor rebuild kits are the easy solution to rebuilding your carburetor. If your carburetor is leaking, or the fuel...
ProX 80-87 RD350LC-YPVS Piston Ring Set (65.00mm)
$63.10
PRX02.2020.100
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 80-87 RD350LC-YPVS Piston Ring Set (66.50mm)
$63.10
PRX02.2020.250
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 82-01 CR500 Piston Ring Set (89.25mm)
$64.45
PRX02.1406.025
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 82-01 CR500 Piston Ring Set (90.25mm)
$64.45
PRX02.1406.125
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...
ProX 82-01 CR500 Piston Ring Set (90.50mm)
$64.45
PRX02.1406.150
Engine Components
Piston Rings
ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be...