They start out with a very durable .375" billet rail to provide a superior seal to the cylinder head and have the option of using studs and nuts or if the racer prefers they can be set up with tubes allowing the racer to use long bolts that can stay in the cover when the cover is removed for valve adjustment.
These covers are light weighting in at only three and a half pounds a piece. Valve cover gaskets and mounting hardware are all sold separate but can be purchased from RBS.
Valve covers from gasket surface to the inside top of valve cover measures 3.750".
The burn down breather mount pad can be provided to fit most industry standard burn down breathers for $40.00 and steel inserts for the valve cover nuts can be added for an additional $25.00.
**MOST COVERS ARE CUSTOM PER THE CUSTOMERS ORDER AND TAKE TWO WEEKS TO BUILD ONCE ORDERED**