Have a 54 Chevy 235 engine and was tole to plug the valve cover vent holes. I tried to search but not coming up with anything.

What do I need to do to plug the holes that looks good and assuming I'll need an oil cap vent? If so, what is the part number to get one. Also probably going to leave the crankcase vent on side of block.

Open to suggestions
Thank You


1954 GMC 150-24 Truck
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