ProX Piston Ring Set YZ65 18-23 (43.50mm) 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...

ProX Crankshaft Bearing and Seal Kit YZ65 18-23 + YZ85 19-23 CRANKSHAFT BEARING and SEAL KITS: ProX crankshaft bearings and seals are manufactured at leading OEM factories, mainly in Japan. All...

ProX Throttle Cable YZ65 18-23 Clutch and Throttle Cables: A complete new program has been added to the already wide program of ProX Racing Parts products. ProX Clutc

ProX Clutch Cable Yamaha YZ65 18-23Z CLUTCH AND THROTTLE CABLES A complete new program has been added to the already wide program of ProX Racing Parts products. P

ProX Piston Kit YZ65 18-23 (43.46mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all...

ProX Con Rod Kit Yamaha YZ65 18-23 One of our core product line, where we became famous with. Our ProX Connecting Rod Kits are made out of the toughest alloys available today and are made in Japan! O...