That is the Q code engine. It is sometimes referred to as a Cobra Jet, a CJ, a GT, a 4V, or a 4 BBL carburetor version.
The proper parts can be sourced specifying a 1972 Torino or Mustang, equipped with a 351 4V engine (engine code Q) and C6 automatic transmission (transmission code U).
The "separator plate", the flex plate, the torque converter, and the starter are most likely all "specific" to this application.
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