The vents to the rear of the side windows, and the gas struts, for the rear glass. CJ's use a larger diameter strut, and have springs inside.
You will also need a AMC to SBC conversion radiator.
1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1980 CJ5 trail Jeep.
1989 YJ the CJ to YJ.