833 behind a stout 440?

Huh, how 'bout that. Learning all the time...

From.... Chrysler A-833 four speed manual transmissions — history, tech, and swap

Most importantly, another gearset was incorporated for the new Street Hemi models, featuring Oilite™ bushings lining each gear and new gear tooth angles for more strength. Hemi cars also had a new, larger main drive pinion (input shaft), with a larger (No. 308) bearing and retainer, and a new coarse-spline clutch disc. A unique, beefier clutch release bearing completed the package.