The AMC 304 V8 had a displacement of 303.92 CID which produced 210 hp in 1970-71 and was built starting in 1970. Later models produced less power from the factory, going down yearly. 1972-78 models were rated at 150 hp. It was rated at 130.5 hp in 1979. It was an optional engine in 1971-1981 Jeep CJ-5 and CJ-7.