I have a 67 mm sts turbo kit/42 lb injectors/methanol injection but its on a stock 5.3 and i bought the 6.2 to get some more boost out of it. Im just wondering which mods i should install to run about 12-17 lbs of boost

 

ARP head studs
forged pistons
6.2 has 10:5:1 compression stock your going to want to lower it to 9:5:1 imo.
LS9 head gaskets since they are already on a boosted motor.