7120 is 1991-95. Good site for some general info on 4.0 performance: http://jeep4.0performance.4mg.com/ Explore the links - there's little tidbits all over the place. Click on "Stroker" along the top and then on the link in the text that says "From Junker To Stroker", which will take you to his page that talks about part selection for the guy's stroker build and lists a lot of casting numbers: http://www.angelfire.com/my/fan/selection.html -Spro -------------- Original message -------------- From: "Munro, John" <John.Munro@xxxxxxxxxxxxxxx> > Needing a 4.0 Liter Head for Conversion from 4.2 Liter > > > > 1991 or newer. These are high port, H.O. (High Output) heads used on all > 4.0L Engines. > > > > Head casting # 7120 > > > > Hopefully this info is correct > > > > > > > > _______________________________________________ > AMC-List mailing list > AMC-List@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list > > or go to http://www.amc-list.com _______________________________________________ AMC-List mailing list AMC-List@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list or go to http://www.amc-list.com