I used to use those crappy brown ones (now I know why they were brown..!)
Had nothing but trouble with leaks.
I began using the green ones, I think they are Valpolini but maybe not.
Anyway, I remove the valve covers every 20,000 to (unnecessarily) check the clearances. So from 80,000 to 160,000 that’s 4 times and I just whack the covers back on with the old existing ones and nip them up evenly.
There have been no leaks...period.
I used to think people who said they re used gaskets were talking BS....
I bought 3 sets of the good ones last time I was in Agostini’s which has proven a waste of time and money, but I think I just needed an excuse to go in and walk around.
I take a spare set each time I go to Europe, they’ve done 60,000 k and never been warm...
