Right. I've installed valve covers on lots of cars over the years and I always make sure they're perfectly flat.

Ol' Roy has the two big bolts in the center. I just mentioned that the valve gasket that's on there now has the little ears sticking out with the holes in them for the four bolt cover but of course they're not utilized.

1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)