1957 - 1966 364, 401, and 425 Buick Nailhead distributor. This is a core re-build-able distributor. I am calling it a core distributor due to the fact that it is untested and the working condition unknown. Also the wire that goes to the coil has been cut. This distributor does not have an ID tag. SPINS FREELY. NO DAMAGE.. OUT OF A 1959 BUICK