Seller notes

This JE piston kit is proudly made in the USA. This is not a stock size piston. Please read in full as we will describe this piston. This is a 97mm Big Bore piston kit for the following models & years. You are responsible for finding your model & year in this following list. YZ450F 2005-2009WR450F 2005-2015 The compression ratio of this piston is 13:1 We check every piston kit before we ship to make sure all parts are in the box. This is the only Piston kit of this kind that we have, No returns ...

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