I have Corvette Alluminum Center bolt heads with CompCams ProMagnum Full Roller Rockers.
I heard that the stock valve covers will fit with the baffals removed and Two gaskets.
Question how do you get two gaskets to fit , they are rubber and are stretched to fit in the valve cover and theres no way to stretch and fit the second one.
Thanks in advance

I haven't heard that. I am running Moroso chrome centerbolt covers. I know there are a number of others using the same ones without a problem.

I'm running full crane rollers under stock center bolt VC's with no probs. It looked kinda iffy, but they don't hit.