Im looking for the best place to buy some 2.0l blacktop piston rings.. NOT FROM FORD OR EBAY..

Also what kind of power do people think my car will have?? Fully rebuilt 2.0L blacktop, st170 manifold, lightened and balanced flywheel, balanced crank and pistons(STD) bluefin, k&n panel filter and full ss exhaust with no cat, and piper fast road cams and pullys dialed in.

Thanks