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YZ426F 444cc Big Bore kit

Fits all years yz426f Yamaha. Includes: Bored and Nikasil plated cylinder, 12.5-1 or 13.5-1 compression 97mm Wiseco piston kit (piston,rings,pin and clips) and cometic gasket set(head and base gasket).

$500.00 + core cylinder for12.5:1


$525 + core cylinder for 13.5:1

$200 core charge if you do not have a core cylinder to return.

Call to check availability. 724-528-4670
Picture for reference only, Cylinder in picture has been coated with a black thermal disspersant, actual cylinder will be a bead blasted aluminum finish