This is a replacement piston kit for the CY F270 4-bolt engine as well as the 2 bolt and 4-bolt water cooled engines .Kit comes as pictured, including piston, piston ring (1mm), c-clips, bearing, pin washers, and piston pin.
This piston is a slightly different design than the one used in the CY 2-bolt motors, with different shaping at the bottom
Will fit HPI Baja 5B SS & 5T, SC
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Chung Yang snap ring set. Used on all CY RC motors and top ends
Stock part on the
CY23 CY26 CY27 CY29 GP290 engines
CY23HR GPL290 engines
CY Marine part# R2250-05020
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