Originally Posted by Turbo_Mike
honestly, for a non subaru head, that was the right thing to do. the machine shop was fixing the damage, which probably also consisted of the valve seats being slightly damaged. a valve job fixes that. they probably honestly didnt know what it would change the cam tolerances.
and as a machine shop with extensive experience in engine building you'd think if they didn't know the consequences of an action that they would check before machining it.
You can always remove more material but you can never add it back.
When you scroll through the lifter's in the shop manual the #'s go from 468 to 527 but then without pause reset back to 438 to 466 and then again resume at 529 and top out at 565. Its completely illogical but thats Subaru for you.