Fitment is guaranteed or your money back plus free return
Don't waste time installing a product that doesn't fit. We
worked hard ensuring that this product is an exact fit on the
vehicles listed below.
TRX450R Sportrax 450R 2006-2013
LT-R450 QuadRacer 450 2006-2009
YFZ450 2004-2009, 2012-2013
YZ250F 4-Stroke 2005-2013
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Questions & Answers
Stock cam....any valve clearance issues?
These Moose piston kits are designed to work with the stock valve train. So long as those components are in good condition and set at proper spec, you should have no problem installing this piston kit on your machine.