New Old Stock Exhaust valve for 1965-71 Mopar #2465339Exhaust Valve This is a new old stock exhaust valve set for the models below with the 273 and 318 small block 8 cylinder engines. New Original Mopar part in its original packaging. Model Dodge Truck: All 1965 thru 1971 Dodge: All 1965 through 1971 Plymouth: All 1965 through 1971 Year 1965, 1966, 1967, 1968, 1969, 1970, 1971