CR250R | ATC250 Piston Kit Standard Bore to 72mm

Wiseco replacement piston kit including forged piston, piston rings, piston pin and circlips. Top end bearing is not included, but is available (see below). Available from standard bore to plus 2mm. (70mm-72mm). Choose bore size from options shown. This kit does not include CDM rings with the standard bore. Those need to be special ordered.

Fits models:

1978-1980 CR250R
1981-1984 ATC250
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