F486R Cylinder Head. Has been rebuilt, New exhaust valves, Surfaced face and manifold mating surface. All broken studs have been removed. Has the threaded in water pipe which I believe means this was originally on a tractor S#4251-9199 but will fit Later G's as well. Ready to bolt on. $1100. I might be able to help with shipping. located in Forksville PA. 570-924-4430. Phone calls are best.