CP Pistons for the 20-21 Honda CRF250R. This piston is a 79mm piston with 14:1 compression.
CP Pistons are the highest quality pistons you can buy for your MX Bike. To go with there high quality, they also offer many standard features that are not included in many other piston manufactures standard pistons.
CP Pistons come standard with these Features:
-Double Pin Oilers
-Accumulator Groove
-Anti Detonation Grooves
-Light-weight wrist pins
All these features allow CP to produce the best performing pistons available on the market. For more information about these features, please;click here.
These Pistons are MX Pro Race series pistons. These pistons include CT-3 piston skirt coating and tapered wall DLC wrist pins. These pistons are the most up to date highest performing pistons available from any manufacture. These pistons have profiled wrist pin bores to allow for wrist pin distortion during high load situations without putting additional stress and fatigue on the wrist pin or piston. These pistons also use a new thinner ring pack for less cylinder wall-piston ring contact and lighter weight.
Other Options are available as add-on to these pistons. These options include gas porting and piston crown coating. These options are available to be added directly to CP off the shelf pistons. no more custom pistons required. Pricing listed in the options list are per piston, multi piston engines will have an increased charge for these features. For more information on this add on features, please click here.
For pistons with 13:1+ compression ratio, we recommended 110+ octane race fuel. For any compression ratio less than 13:1, we recommended a minimum of 91+ octane pump gas.
