Pistons are available for Ford, GM, and Mopar power plants. If looking for a shelf piston or a one off custom piston let RBS and JE take care of your needs. Custom pistons are not a problem with a two to three week turn around time and if you hurt a piston JE will sell a piston not making the racer buy more than they need.
JE pistons website has a great compression calculator to help a racer figure out which piston will best suit there needs and there are many options for coatings and piston options as well to give the racer a winning advantage over the competition.
If interested in a price for your engine combination RBS can email over a spec sheet for the racer to fill out and get a price on the pistons for your application.