360 build on a budget. Opinions????

Im lost. Why do you need an adapter for the performer intake? Is it an Edelbrock carb?

The Street Master is not going to cost you low end torque (I've seen them use those on RVs -LOL!), but it will severely impede top end horsepower. It'll probably match up with that cam fairly well, or may actually choke it a little bit.

What kind of valve springs do you have currently?

Like I said, I'd spend some money on good rings. Mill the heads a bit, maybe get a valve job. Windage tray while you've got it apart.

You'd be better off with pistons and a different camshaft, but once you get into a balance job and the like the budget goes out the window.

I think you'd need to change pushrods to use those adjustable rockers.

Steve