a nice distributor from a 400 cubic inch Dodge Charger, that is also correct for a 1974 Plymouth Road Runner with the 400. this is not correct for the 440 cars. the date of manufacture is the 48th week of 1973. this part number, 3755681 was used in 1974 and also 1975 on the new body Charger, and also PlymouthTrail Dusters, and Dodge Ram Chargers.