its gonna depend on what you end up going with I suggest getting d series rods and pistons machined to fit ok ok Ill quit joking seriously endyn rollerwave pistons are nice quality units completely smooth all around no sharp points on them to heat up to cause detonation this makes them great for almost any high pressure cylinder charges wheather you go NA or forced induction. Obviously if you go forced induction youll want low compression if you go na youll want high compression endyn also makes some berry berry nice h beam rods.