PROX 78mm PISTON KIT B, HONDA CRF250R 04-07, CRF250X 04-17, HI COMP 13.5:1

PISTON KIT 78.00mm HIGH COMPRESSION 13.5:1

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.
Coated for ultimate performance Most of the ProX pistons

come with a coating. Our OEM style Tin coated pistons assist the wear in process when you just started the bike. We have developed a new skirt coating that not only assists the wear in process, but also helps reducing friction after the wear in. The black coating is made from a delicate mix of materials and will increase performance.
Replacements parts. PROX RING SET 02.1335

Honda CRF250R 2004 - 2007 (High Comp),
Honda CRF250R 2008 - 2009 (Standard Comp),
Honda CRF250X 2004 - 2017 (High Comp),

PROX 01.1339.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.