360 Magnum to A833 trans

There's also the mcleod flywheel that is neutral balanced but you add weights for different balance applications like 5.9 magnum, 440, etc. It's a little more expensive but not much if you can coax someone to gift you a 10% off summit racing code.

https://www.summitracing.com/parts/mcl-464102https://www.summitracing.com/parts/mcl-564111