hey guys i posted somthing on this already but my question wasnt really answerd.. i need an oil pressure sending unit for my 85 mustang.. you guys said could get it at autozone ed.. im missing al of it tho ..i neeed the plumbing that goes into the block ware do i get that?? make one? junkyard? they dont sell that do they.. that does not coem with the iol pressure sending unit im assuming.?