Edelbrock part #42133 Billet Aluminum black powder coated push in breather fits all standard 1.25 valve cover holes. The top of the breather un-screws from the base for access to the foam insert. Breather is round and is 2.480 at the base and 2.350 at Product Features:2.5 in. HeightVictor SeriesBlack Housing Color0.96 in. Stem Outside DiameterPush-in Mounting Type
