MOPED ARMY

yeah dude, youll hit the top of the piston on the intake side of the head. the reason is because of the 60 piston dome is out wider than the 50 piston, so it will hit, not alot but it will make a rattling noise. its true the 50 head makes more compression as its dome is more shallow than the yt head but the squish is all wrong and i sent mine out to be rechambered so it will run better and still have higher compression than the yt head. i strongly suggest sending it out or buying a yt head.