Edelbrock part #41723 Victor Series Valve Covers are compatible with Chevy 1987-1995 305-350 applications. Our Victor Series valve covers have a finely textured black powder coated finish for a pleasing and unique appearance. This is the same finish you'll find on our top-of-the-line Edelbrock/Musi 555 Crate Engine. These valve covers are manufactured from die-cast aluminum and machined with 1-1/4" breather hole. Low profile 2.5". Overall height is measured from base to top at the highest point.