MSD 7AL-3 Ignition Box - Do you need an ignition box?

https://uzbasicmotorsports.com/msd-7al-3-pro-drag-race-ignition-box-black/​
Today, I want to talk to you about 7AL-3 MSD ignition box. Hi, this is john from Uzbasic Motorsports Performance Parts. And as you can see in our 37 Chevy coupe, we have a 7AL-3 MSD ignition box ok I'll tell you some real cool things about this box.