Aluminum valve overspreads from PML, Inc., feature a classic fin design and accommodate Ford's metal oval logo The valve masks have a thick gasket flange that is machined flat for a assured seal and include sand-cast aluminum construction. There are no caves for PVC, breather or oil fill, although the covers do have a cast-in location forward the intake manifold side that can be machined. Visit www.yourcovers.com. (310) 671-4345