I have to replace 2 freeze plugs in the block which is better to get brass or steel?

My old 82 hand-me-down civic (I really miss that car). Just trying to see if it posts, and fits.   http://i1324.photobucket.com/albums/u613/beeerad511/Civic_zps77e53763.jpg

EDIS module perfect condition $25 shipped OE mechanical rocker assembly good condition $30 + shipping Ngk spark plug wires like new, 20 shipped Stock intercooler hardpipes, 20 + shipping  

So I had to make brake ducts for my car for the race, I made a buck and vaccu formed them. Since I have the buck and its pretty easy to pull more I wanted to see if anyone is interested in a set. I used rather thin plastic, but will be using thicker stronger material for the parts and fitment will be much better than these (first run pieces). Looking at $25 a set + shipping. You will still have to get your own tubing (2.5") and finish it off at the brakes themselves, but this will help get