ProX 00-07 TT-R125/YBR125 Steel Intake Valve
$15.60
$14.04
PRX28.2200-2
Best Sellers
Engine Components
GMC | Chevy
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 01-05 660 Raptor/02-08 Grizzly Steel Intake Valve
$29.34
$21.42
PRX28.2661-2
Best Sellers
Engine Components
GMC | Chevy
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
$103.52
PRX01.2660.100
Engine Components
GMC | Chevy
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
$191.21
PRX01.1403.A
Engine Components
GMC | Chevy
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
$40.34
$29.45
PRX28.1402-1
Best Sellers
Engine Components
GMC | Chevy
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)
$25.53
PRX02.2113
Best Sellers
Engine Components
GMC | Chevy
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)
$25.53
PRX02.1113
Best Sellers
Engine Components
GMC | Chevy
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)
$141.80
$127.62
PRX01.5513.100
Engine Components
GMC | Chevy
Piston Sets - Powersports
Polaris
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
$70.42
$55.29
PRX16.S51011
Best Sellers
Clutch Discs
Drivetrain
GMC | Chevy
Husqvarna
KTM/ Husqvarna
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 04-06 YFZ450 Friction Plate Set
$67.21
$55.45
PRX16.S24028
Best Sellers
Clutch Discs
Drivetrain
GMC | Chevy
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
$187.65
PRX01.1339.C
Engine Components
GMC | Chevy
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)
$43.65
$39.29
PRX02.6394
Best Sellers
Engine Components
GMC | Chevy
Husqvarna
KTM/ Husqvarna
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)
$40.36
PRX02.1325
Best Sellers
Engine Components
GMC | Chevy
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)
$131.10
PRX01.4705.A
Engine Components
GMC | Chevy
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
$165.40
PRX01.4337.A
Engine Components
GMC | Chevy
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
$43.38
$36.66
PRX16.S34016
Best Sellers
Clutch Rebuild Kits
Drivetrain
GMC | Chevy
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
$38.32
$27.97
PRX28.2706-1
Best Sellers
Engine Components
GMC | Chevy
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)
$35.29
PRX02.1487.050
Best Sellers
Engine Components
GMC | Chevy
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)
$38.17
$34.35
PRX02.1487.100
Best Sellers
Engine Components
GMC | Chevy
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)
$35.29
PRX02.1487.200
Best Sellers
Engine Components
GMC | Chevy
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
$115.54
PRX16.S34030
Clutch Discs
Drivetrain
GMC | Chevy
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
$86.54
PRX23.CBS24009
Best Sellers
Crankshafts
Engine Components
GMC | Chevy
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
$316.06
PRX16.CPS64010
Clutch Rebuild Kits
Drivetrain
GMC | Chevy
KTM/ Husqvarna
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)
$184.01
PRX01.1342.A
Engine Components
GMC | Chevy
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 11-20 KTM85SX/12-17 Freeride 350 Rear Brake Pad
$33.33
$25.50
PRX37.289102
Best Sellers
Brake Pads - Performance
Brakes, Rotors & Pads
GMC | Chevy
Husqvarna
KTM/ Husqvarna
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)
$196.43
PRX01.1413.C
Engine Components
GMC | Chevy
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
$156.23
PRX01.2417.B
Engine Components
GMC | Chevy
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
$50.14
$45.13
PRX55.10464
Best Sellers
Carburetors
Fuel Delivery
GMC | Chevy
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)
$45.74
PRX02.2020.100
Best Sellers
Engine Components
GMC | Chevy
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)
$45.74
PRX02.2020.250
Best Sellers
Engine Components
GMC | Chevy
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)
$47.09
PRX02.1406.025
Best Sellers
Engine Components
GMC | Chevy
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)
$47.09
PRX02.1406.125
Best Sellers
Engine Components
GMC | Chevy
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)
$47.09
PRX02.1406.150
Best Sellers
Engine Components
GMC | Chevy
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 90-13 Husqvarna CR/W125-360 -49T- Alloy Rear Sprocket
$64.63
$58.17
PRX07.RA62097-49
Best Sellers
Drivetrain
GMC | Chevy
Husqvarna
KTM/ Husqvarna
Sprockets
The ProX alloy rear sprockets are all manufactured from high grade 7075-T6 material. The total sprocket is precision cut on fully automated CNC machines...
ProX 94-95 RM250 Clutch Pressure Plate
$50.39
PRX18.P3394
Best Sellers
Clutch Covers
Drivetrain
GMC | Chevy
ProX offers a complete line clutch pressure plates for the Dirtbike and ATV segment. The pressure plates are manufactured by the leading OEM factory...
ProX 95-97 KX125 Piston Kit (53.97mm)
$118.37
$106.53
PRX01.4216.C
Engine Components
GMC | Chevy
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 96-04 XR400R/99-14 TRX400EX/X Steel Intake Valve
$26.92
$24.23
PRX28.1495-2
Best Sellers
Engine Components
GMC | Chevy
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 98-99 WR400F Carburetor Rebuild Kit
$70.96
$63.86
PRX55.10324
Best Sellers
Carburetors
Fuel Delivery
GMC | Chevy
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 99-22 YZ250 Piston Ring Set (66.40mm)
$40.36
PRX02.2319
Best Sellers
Engine Components
GMC | Chevy
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...