the Mopar Performance Orange Box is available for Mopar enthusiasts, Mancini Racing went to the original supplier to remake the performance Orange Box!

By the early ‘70s, Chrysler had added distributor EI to its list of firsts. With the goal of better fuel economy and cleaner exhaust emissions, Chrysler offered, as an option, a breaker-less distributor, a five-pin ignition box, a dual-ballast resistor, and the related wiring into late-year production ’71 manually shifted (3- or 4-speed) 340 Demons and Dusters.

 The newer solid-state internals of the four-pin Orange Box provided a more consistent, hotter spark for better performance, which resulted in a rock-solid dwell control to 6000 rpm. 

Chrysler developed the high-rpm capable Chrome (8000 rpm) and Gold (12,000 rpm) Boxes for the high-winding crowd, but the Orange Box sufficed for most street cars.

https://moparconnectionmagazine.com/gallery-mancini-racing-reintroduces-the-orange-box-videos/