Funny you mentioned that working on one of those inside a mopar ecu box right now. I use one with the distributor machine and it definitely has a cleaner amplification signal then a stock mopar box.First, I don't think that Mopar Performance even sells the ignition kit anymore. If they do, I haven't found a listing.
The ignition "kits" that I've seen are usually made up of offshore sourced parts. We've had multiple threads on here about issues with the eBay sourced kits. It seems to be a crap shoot.
IMHO, the best bang for the buck right now is a used or rebuilt genuine Mopar distributor with a GM HEI module. Simple, reliable, and easy to source. Spare parts for a long trip would be another distributor with a GM HEI module for "plug and play" replacement.
My '70 300 has the older Mopar Performance ignition components that have been very reliable for me. For a long trip, I carry a spare ballast resistor and a ECU sourced from @FURYGT .
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