This Quicktime RM-6074 bell housing fits MOPAR big block 383/400/426/440 to Ford TKO 500-600/TR3550/T5 Mustang transmission.
I bought this to install a TKO 600 into my BB Dart but decided to go with an original 4 speed so I have no need for this.
It is brand new, never used.
The picture...