Takegawa 138cc +R Superhead decomp Combo bore kit for the KLX110 KSR110 includes everything from the 138cc +R kit, as well as a port matched Mikuni VM26 carburetor, intake manifold set, throttle cable and high flow air filter. +R roller rocker head, ceramic coated aluminum cylinder, 59mm piston, S-20D decomp camshaft, and all required gaskets are included in this easy to install performance package.