FWIW , I have a 2010 Challenger 6sp(T56) , with a 408 CI G3 4.03X4.00
2004 5.7 block, decked to 9.245, MMX billet main caps,
Molnar 4.0 crankshaft, 2.10 journal ,Molnar 6.125 Rods
Pistons are Gibtec.........yes it's bored to 4.03...yes it's a .113 over bore, the 03-08 block can...