timing belt broke. pulled head, there are two small scuff marks on intake side of #1 and 2 pistons.

on the head itself there are no marks on valves but rather on the head itself between the two intake valves.

they look fine and appear to hold water without the cam inside. is it safe to say they're not bent?

 

they're probably bent if there are any marks, take cams off and use a straight edge, line it up on top of the valve stems if any valves are bent it'll be shorter, not sure which motor you have but if it's a d series i imagine it would be too expensive to fix