ProX 01-05 YFM660R Piston Kit (101.00mm) - 01.2660.100

ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options in order to follow manufaturer Piston to Cylinder Wall...

ProX 02-03 CRF450R Piston Kit 11.5:1 (95.96mm) - 01.1403.A

ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options in order to follow manufaturer Piston to Cylinder Wall...

ProX 03-07 CR85 Piston Ring Set (47.50mm) - 02.1113

ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be sure you will get the quality you might expect from our brand. All...

ProX 03-12 Pol. 500 Scrambler Piston Kit 10.2:1 (93.00mm) - 01.5513.100

ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options in order to follow manufaturer Piston to Cylinder Wall...

ProX 04-09 CRF250R/04-17 CRF250X Piston Kit 13.5:1 (77.99mm) - 01.1339.C

ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options in order to follow manufaturer Piston to Cylinder Wall...

ProX 05-07 CR250 Piston Ring Set (66.40mm) - 02.1325

ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be sure you will get the quality you might expect from our brand. All...

ProX 07-21 TRX420 Rancher Piston Ring Set (87.00mm) - 02.1487.050

ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be sure you will get the quality you might expect from our brand. All...

ProX 07-21 TRX420 Rancher Piston Ring Set (87.50mm) - 02.1487.100

ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be sure you will get the quality you might expect from our brand. All...

ProX 07-21TRX420 Rancher Piston Ring Set (88.50mm) - 02.1487.200

ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be sure you will get the quality you might expect from our brand. All...

ProX 08-22 RM-Z450 Friction Plate Set - 16.S34030

ProX clutch Friction Plates are manufactured by the leading OEM factories, mainly in Japan. All friction plates are made to exact OEM specifications and offer maximum performance, smooth clutch...

ProX 10-11 KTM400/450/530EXC-R Complete Clutch Plate Set - 16.CPS64010

To be sure that the clutch plates and springs are perfectly matched for ultimate clutch performance. ProX offers one part number for the matched parts packaged in a nice kit. ProX complete clutch...

ProX 10-13 CRF250R ART Piston Kit 13.2:1 (76.77mm) - 01.1342.A

ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options in order to follow manufaturer Piston to Cylinder Wall...