why bother? one hit with a hole punch and 15 seconds with scissors you have a gasket!Why bother? Just call your local supplier and have a distributor gasket delivered. Easy to set up an account even if not a shop.
X2. I've had mine off and on multiple times and never a leak, bolt sleeves are great. The only way to go unless you're doing a 100 point restoration.Thought not restoration correct a blue Moroso rubber valve cover is softer for a better seal and it has a steel core with stand offs at the bolt holes to prevent bending up a stamped steel valve cover the source of most oil leaks) if you over tighten the screw.