I believe Summit is, or at least was, made by Kirker and I think buying actual Kirker is cheaper. Summit brand didn't have the color I want, which was a Kirker color, so I ordered Kirker from these guys. In 2015, even though I am in CA I was able to order the regular stuff, not the super low voc or whatever California allows.

This is what I got. My first time spraying a car, and it went well:

https://www.autobodytoolmart.com/pr...lic-urethane-enamel-fleet-white-ua-81496