Quote Originally Posted by niky View Post
A radiator top is a release valve for excess heat and pressure. If the radiator doesn't give way, it's possible the head gasket could. And that'd be a more expensive problem than a cracked radiator.

Your choice, though.
+1
OEM plastic radiator top is plastic for a reason,so that when u overheat,the plastic top cracks first preventing cylinder head gasket damage or other damage to the engine,OEM is still best for your car