Holley Hyperspark
Here’s a discussion. Appears to be used on ford and gm coils. I’m sure it’s some kind of metri pack but don’t know what series. The Sniper connectors use a metric pack 150.
HyperSpark Ignition Connectors
I couldn’t come up with connectors.
May call efi system pros and talk to Chris. He has helped me on some things.
Sniper Components
And browse here
Terminals & Pins
That’s all I can come up with. Good luck.