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I like the look of their stuff.I have had good luck with Davis Unified. I use their coil and module.
Except AC Delco now usually means cheap communist garbage in a Delco box. Delphi is often better quality but still a gamble.There was a sticker I saw on an old Chevy years ago: Keep your GM all GM.
The OE spends millions on R&D. They equip their trucks and cars with the best, right parts.
Use AC Delco parts.