CP Pistons brand 2009 Honda CRF250R forged piston kit. Project X series with coated skirt. For use in high performance and racing engines; for use with a standard size bore of 78mm; and stock stroke of 52.2mm; 13.5-1 compression ratio; kit includes top end gasket kit, light weight piston; light weight piston pin; piston rings and pin lock rings.
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