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Are there any valve cover gaskets that are thicker than OEM?

Asking because I have Holley's tall covers on Golen heads, and there's a bit of an oil leak on one side. Only noticeable after high RPM, in one little spot. I'm guessing the tolerances stacked up juuust enough...

I can trim down the spacers that support the valve cover if need be, but I'm lazy so I'd like to try thicker gaskets first, if that's a thing that exists. Does it?

Thanks!

sjsingle1

iTrader: (1)

yes...yella terra rockers need thicker gaskets ...and they sell them......about twice the thickness of standard

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Thanks, I saw a thread about those on another forum last night and was wondering how much thicker they are.
I am really hoping for just 1-2mm extra thickness though. Unfortunately I have very little space between the valve cover and alternator.
Will probably shave a bit from the standoffs this weekend.