Ryan moved them on out to a 2.05 intake, took 2.08's and cut them down and reworked them to his liking,,the commando's are concidered a w5 replacement, I know Ryan did a lot of work on these head's and it show's, my machinist is an old head porter by trade and is very good at it, and he said that these were as nice a set of head's as he has seen as far machine work and finish. :thumbup:Guitar Jones said