I am a big fan of Mallory electonic Unilite distributors. There are several big advantages:
They are definitely plug and play with a stock wiring system. Unilites do NOT like a full 12 volts.
They are incredibly simple and reliable. They use light as a trigger.
There are no firewall clearance issues.
They are happy with all ignition coils.
If you want a stock look, paint the cap black.
There is but one drawback: If you fry the module in the unit you are 1) completely stuck and 2) out about $100.
So I install the recommended filter from Mallory have had years of problem free operation.
2012 Mustang Boss 302 #1918, Competition Orange. FGF replacement 2006 Mustang V6 Pony, Vista Blue. Factory ordered. 2019 BMW X3 (Titled to the wife, but I'm always driving it for her. So I'm claiming it) Old projects, gone but not forgotten: 1967 FB 400, original CA car. After 22 years of work, trashed by the guy who was supposed to paint it. I had to sell it. 1980 Turbo Trans Am 1970 Mustang fastback, 351C 4Bbl, auto 1988 Mustang GT, 5 speed 1983 F-150 4x4, built 302 1994 Chevy K2500 HD 4x4, 454 TBI