Summit has:
-MSD 8833 Billet "ready to run" SB Chrysler Distributor with vacuum adv. w/o rev limiter and no ignition box needed for $360
-MSD 8504 Billet "E-curve" SB Chrysler Distributor with vaccum adv., with rev limiter, and no ignition box needed for $380
I felt the E-Curve was the best value.