Sounds like you got the wrong kit....the one for the 83s and early 84s that had 6 orings two little ones that went in the header along with 2 fat ones for each side. The kits for the 7.3 and later 6.9s should have 2 green and 2 purple/black orings and you can get the gaskets from an auto parts store(not a dealer only item). I was unable to press the orings on because I didn't like the idea of vaseline or grease in the cooling system and I used motor oil instead. The shop that pressed the bundle together for me used dawn dish soap as a lube, most here use vaseline with no apparent ill effects though. Either way,install 1 ring of each type on each end of the bundle exactly as they came off. Make a jig with the biggest C-clamp or bar clamp fyou can find and 2x4 ends so that you don't put undue pressureon the caps. You should hear a distinct pop as the orings seat in the header.
