The gaskets or the baffles?SIVART said:if you look inbetween the spark plug holes on the upside down pic
EVO-00X said:Those ridges are nothing to do with breathing easier thats for sure as there is no apparent reason as to why it wouldIt may have something to do with rocker cover strength to stop it from bending and ultimately cracking when you tension it down :lol: OR, it may help the oil drip from the ridges (instead of baking a flat surface) and assisting in heat dissapation perhaps? OR... just a plain old different mould design :lol: