The heads range from 96-99 look for casting #062 or the sawtooth design on the front of the head. The heads bolt on. Stock vortech rockers are self aligning and will work, so try to get the heads with the rockers if possible or after market self aligning rocker are available. Another option would be guideplates. There are no stock carbed intakes for vortech motors but just about any after market intake would be an improvement over a stock '78 intake. As far as the intake goes just look up the part and read about it.