NEW!!! Valve cover adapters that allow you to run classic "staggered-bolt pattern" SBC covers on standard bolt pattern SBC cylinder heads. These adapters come with the specific hardware for installation. They require gaskets (not included) above and below the adapter rails. The rails are .375" in thickness providing rocker clearance improvent too! Made in USA from billet 6061 T6 aluminum. 1 pair for one car.