skip white..pro comp...speedmaster...tsp....call them what you want....all probably made at the same factory in china...
Got one in my 88 Dodge 318 excuse me 5.2L D250 pickup truck....two wires hook up one to + side of coil and one to - of coil...must provide coil with 12 volts...using pro comp E coil......works great...set initial timing at 14 degrees...