Groffunitracing

Hey all.. Ive swapped my 2013 ls3 motor into my race car. I was a idiot and sold the harness and now need the alternator and starter plugs.. question is what other yr cars/trucks use the same plugs so i can try and find them.
i called autozone and local gm dealer. have to buy new harness to get them.

Thanks for saving my butt and appreciate the help

Groffunitracing

nothing?? does anyone have a pinout?