BTR valve covers retain stock mounting height and allow the use of OE style GM gaskets and bolts, while being molded in a unique plane to allow nose clearance for shaft rockers. With -12AN ORB vents on both ends, you have a wide variety of options for catch can or vacuum pump plumbing. Also featured is a unique baffle design/splash guard that protrudes below the valve cover surface. Die cast aluminum and available in 3 colors - silver, black, red - with and without coil mounts.