That was my first kit many moons ago, but very little of it remains in my current configuration. It's a nice deal for what you get, but I don't believe it would be a good fit for your stated application.
It would work acceptably in a very low-boost application, and did so for mine at the time, but won't give you the wider range of control you'll need at 25 psi boost. It'll be difficult/impossible to find a happy medium between enough spray at boost/rev levels where you need it, and not too much spray at boost/rev levels where you don't need it; it's either on or off, no in-between.
I believe a progressive controller of some sort, would be a much better fit for you.