YX145cc Performance Package 1

This is a big bore kit for yx140/z140 engine making it a 145cc.

Item Includes (refer to item picture):
-1x 57mm Barrel
-1x 57mm High Comp Piston Kit
-1x 57mm Cylinder Gasket Kit
 
PLEASE NOTE THIS KIT IS PERFORMANCE ENHANCING AND NO WARRENTY FIT AT OWN RISK!