400/426 Stroker. Ever heard of one?

Is the 400 stroke the same as a 383? (Shorter than a small block Chevy) what is the stroker crank stroke.
Same stroke. Reason for the 383 crank is to get a forged unit. When the rod journals are offset ground it increases the stroke from 3.38 to 3.545. Rod journals are now 2.2”