It's been 15 years now, so I'm not so sure what I did anymore. I believe that I bought a quart, but I don't know if I applied one or two coats (probably just one though because it has a lot of solids and it doesn't like to be painted over when it's dry). I also used POR15‘s Marine Clean to clean and degrease, plus I also wiped it with Prepsol before painting. I powder-coated the valve covers before painting (the powder coat powder didn't quite match the turquoise so I painted over it).