Hey gdbuick,
Try your local Mopar dealer for this number. P5155514. Use with 1/4 Ohm Ballast resistor. This is copied from the Mopar Performance catalogue.
Blaster Coils
These high-performance cylindrical Blaster Coils are oil-filled. They feature 100:1
turns ratio, threaded-stud primary connection and conventional "socket-style"
tower. Designed for high-performance street and race applications. Use 1/4-ohm
ballast resistor P2444641 when used with ignition kits P3690426, P3690427,
P3690428.
1 P5155514 Coil, Blaster, Black, for Controllers P4876728–29, V8
1 P5155515 Coil, Blaster, Chrome, for Controllers P4876728–29 and
P4876731 (V8)