These beautiful valve covers are machined from billet 6061-T6 aircraft alloy. They begin life as 54 lb hunk of aluminum and after many hours are machined down to their final shape. Internal Air/Oil Separator in most applications eliminates the need for an external catch can by removing oil vapor from the engine venting gas. Two -10 AN o-ring ports for the air oil separator will support crankcase venting for over 1000whp.
Comes with custom -20 AN oil fill cap with viton o-ring seal
Only works with use of a short runner intake manifold on 12v VR6
Gasket and Stainless steel hardware included