Edelbrock 4246 Elite Series Aluminum Centerbolt Valve Cover with Left Breather Hole Die-cast aluminum cover comes with a handsome, polished finish for a custom look Mounting style of the valve cover is centerbolt Grommets and baffled are included Dimension from the gasket flange edge to the top of the valve cover is 2-5/16" Can be used with stock or Elite Series breathers