Prox Racing Parts

19-1340B

10-13 HONDA CRF250R: Pro-X 4-Stroke Piston - Stock Bore

Pistons

Important note: This piston is for a stock sized bore.
Please measure your cylinder to check clearance before ordering.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 and European engine manufacturers.
ProX Piston Kits are a first class solution to replace the original piston in your machine.Most ProX pistons come with a coating.
The O.E.M.

style tin-coated pistons assist the wear-in process as when you first started the bike. ProX has 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.Cast piston puts engine back to standard specs without boring or replacing cylinder.Interchanges directly with O.E.M. part.Piston kit comes complete with piston, rings, pin and end clips.

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