Up for sale I have a 78mm nitrous plate for the ls1 by Nitrous Outlet worked great for me seemed to Hit hard but I had to switch to a nozzle with my new fast intake to make it work with my intake and throttle body setup. I also have a ported and enlarged stock throttle body off my 2002 C5 Corvette it has been bored out to 78mm and has an enlarged brass butterfly to match, worked great on my car until I upgraded.
Nitrous outlet plate $175 obo
Throttle body $150 obo