The parts and cases, call them for more info please
The Proflyte is a all out drag racing tranny with multiple choices on the ratio and is suppose to be (I've never own one yet ) very easy to maintain at the races and change gear ratios at the track also
A good friend of mine ran one for years in a very fast PSCA 10.5 Outlaw car in SO CA , it wasn't a Mopar but it did end up with a Brad Andersen #8 billet blown Hemi motor in it