STANDARD BORE KIT YZ450F '06-09 WR450F '07-11

$519.95

$614.95

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Description Review Part Numbers

Includes cylinder, piston kit and gaskets
Matched with vertex pistons to ensure longevity, performance and reduce engine noise
Replacement piston, gaskets, and ring sets available
Cylinder looks just like stock
Nickel silicon carbide plated for longer life
These items are designed exclusively for closed course competition use ONLY
Use on public lands or highways in the state of California is illegal