Smog pump from a 1978 Jeep with a 360 but will also fit the 304.  This smog pump is completely functional and the Jeep that was running this pump passed emissions.  The assembly lived under a leaky power steering pump so this smog pump is rather oily and does need to be cleaned off before installation.  Includes both brackets shown (they're just on the pump and not installed where you would put them to install on your engine) and pulley.