3.23-3.55 gears are great with a 4 speed 440. Let the 440 3.75 stroke pull you ahead with a large, lasting, broad piston flamefront.

Peronally using 3.23's in my 4spd cuda, In my 4 door 4 spd valiant too.

The factory 440 peaked out before 5k rpm , no sense in going with a 4.10. If you had a cammed 318 and wanted to zip around, have your way with the 4.10s.