Camshaft choice for 408 Magnum w/ boost plans

Hmm, those KB 356 pistons are Hypereutectic, milling the domes, coupled with boost is a gamble.

Try these out, forged 2618, designed for boost with a 34cc dish. You’ll still be around your 9:1cr.
Icon Pistons IC982-030 Fits SB Chrysler Dish 34cc Bore 4.030