PROX 66.4mm PISTON KIT B, BETA RR250 Enduro 13-21, XTRAINER 250 18-21

ProX Piston � 2-ring Piston 66.40 (B. 66.35mm)

Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.

Beta
250RR Enduro 2T 2013 - 2021,
Xtrainer 250 2018 - 2021.
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PROX 01.7313.B

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.