Originally Posted by
stu21t
I put a rubber one on my cossie and blew it out on the first test drive.
Oil went everywhere , it's now back together with a cometic and is fine.
We r taking about the cvh not yb !
Rubber ones are spot on. But i still use a bit of sealent just incase. The corkones just soak up the oil and dont really seem to seal if u are using a thinner oil. But that could also be down to a wonkey rocker cover. Ive never come across a true one.
