ATHENA offers this aluminum replacement kit for your HONDA CRF 450cc R motocross from 2009 to 2016. This kit includes the cylinder, piston, ring, axle, C-clips, as well as the complete gasket pack. You will have understood this pack is complete ready to be mounted on your engine. To mount this cylinder you don't have to do any adaptation on your motorcycle. It has the same characteristics as the original. On the technical side this cylinder is made of aluminum. It is made in Italy with a high-end nikasil treatment. The piston is a model VERTEX high compression with ring steel pre lapped! All these high end parts allow a gain of performance and torque compared to the original. ATHENA has made the comparison on their dyno of the original kit against the top engine ATHENA. You will clearly notice a gain in torque and HP from start to finish. We of course offer below all the replacement parts you may need over time.

Fits on:

HONDA CRF 450cc 2009

HONDA CRF 450cc 2010

HONDA CRF 450cc 2011

HONDA CRF 450cc 2012

HONDA CRF 450cc 2013

HONDA CRF 450cc 2014

HONDA CRF 450cc 2015

HONDA CRF 450cc 2016