Best 340 stroker kit?

I bought a forged Scat crank, rods and pistons from Summit Racing. No complaints from me.

Don't want to hijack the thread but how much exactly is a "slug" of mallory metal? My machinist/builder has said several times how expensive it is to go internally balanced because of the added expense of the heavy metal used. Here is Summit's page showing 44 different "slugs" of mallory metal. Smaller ones are cheap, bigger ones, not so cheap.