Slant 6 electronic ignition

http://www.ebay.com/itm/Dodge-Mopar...Six-/261961210164?hash=item3cfe1ad934&vxp=mtr

Works great....I know because I have this set up.

http://www.ebay.com/itm/Dodge-Plymo...Kit-/271946368671?hash=item3f5144469f&vxp=mtr

Another option.

Good luck.