Originally Posted by Scott @ RA

We have done countless motor builds primarily for FI, on a variety of VQ based engines. With that said, you or your motor builder will need a host of parts, including but not limited to new forged rods, lower compression forged pistons, bearings, gaskets, seals, bolts, studs, etc. A crank would not be necessary unless you intend on changing your displacement (which I would advise against), the VQ family of cranks are very hearty and have shown to be capable of withstanding upwards to 800-1000 HP and over 12,000 rpm without a problem.