I obviously am the last one to know, as I am a big goof up when it comes to my Jeep, but Rande said that there is a flexplate spacer that is coming with the transmission I bought off of him. I guess I can confirm when I get it.
1971 J-4800 Dauntless 350/t18/d20/D44/D60
'98 & '01 XJ both with 3" Skyjacker and BFG KOs
'90 MJ SWB 2wd getting 4wd conversion (maybe a Buick 350!)
'99 & '00 XJ parts Jeeps