Correct carb for a 1970 Charger RT - 440 auto?

[Jonas Nordstrom]

It would be a Carter, but what number?

 

[Rishi]

Three Carter carbs came with the 440-4 barrel automatic in 1970 on B and E body cars.

Carter 4738S Auto
Carter 4740S Auto + ECS
Carter 4741S Auto + A/C