PROX 97mm FORGED PISTON KIT B, YAMAHA YZ450F 14-18, WR450F 16-18, YZ450FX 16-18

Prox Piston Kit

• Bore: 97.00mm
• Compression Ratio: 12.5:1

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 major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc.

Compatible Models:

• Yamaha WR 450 F: 2016 - 2018
• Yamaha YZ 450 F: 2014 - 2017