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 pipe which I believe means this was originally on a tractor S#4251-9199 but will fit others. Ready to bolt on. $1200. I will be traveling to MD for the holidays and might be able to save someone on shipping. located in Forksville PA. 570-924-4430