no mate, was stored 10 years ago in a garage, does have some what looks like remains of gasket still stuck to it so will have been bolted to block, its slightly corroded all over as to be expected. bought it with a lot of other stuff, i dont know the history of it, i dont know whos done the gas flow etc.. just what i was told when i was sold it. i better edit the add thinking about it.. it doesnt look skimmed