363 cover also some other stuff on things like Dt1 and onward, ther eis a lot of similar stuff for many models, but then just as many differant, a lit of springs and weird arse internals of a lot of things are 363 which i think carried over from the 72/73 parts then into a model designation.
barrells and the electrics are sc500 only for sue, why what have you got ?