but if you are not happy with the power of your 360 and in a cj its plenty i think but if really want moreintake manifold non egr4 barrel carb [vacume secondaries]hedders hei dizzy or dui all give good results and relativly cheaphei is the best place to start as it gives good results on the standard set upcam only gives good results with the inlet and axhaust manifolds to compliment each other