C4 trans and edge 9" 3800 stall converter.
C4 has aluminum pan is case fill and 164T bell.
Has broader 2.92 1st gearset in it and those parts are rollerized.
Also has #9 roller bearing kit.
Has transgo -2 kit in valvebody.
Used this trans for the 2011 season, ran best 11.20 and 120 mph with 1.52 60'
Edge converter is 9" 3800 and duel bolt pattern 10.5/11.3
I have two trans for sale AOD/C4 so when one sells im going to use the other.