YY1: you can not use roller lifters on a Hyd. Or solid cam.
Just search out the roller cam you want or call up the cam company and say you have a roller MoPar/318 and seen xxxx cam in there book. The. Ask then to make something similar to it on for a roller cam.
Basicly treat the roller engine as a regar engine. The only valve train difference is a shorter pushrod. Everything else is the same. Since your getting a new cam, the springs will be changed out for the matching springs for the cam and new retainers will be added in if the old ones won't work right.