m50/52 engine casing
s52 3.2 liter pistons
m52 long block
m50 iron head (to handle the higher compressions)
ARP Head studs are highly recommended
m50/52/s50/52 long block (for m blocks, bored to 3.2), NON NIKASIL!
All seals to match your choices
This is a very straightforward modification. No cutting, welding, or drilling is necessary (aside from the block). It will go back together as a stock engine would, but put out an extra 200 hp. Not to mention it will raise the redline from 6k and change to 8k, which is perfect for mounting a turbo or two.
Custom tuning is almost required because of the different parts and the ecu is very strict. No custom tuning could result in penny sized holes in various locations from a thrown rod or crank spinning loose.