Edelbrock part #2823 Super Victor LS-R two-piece manifold is compatible with LS-R high performance race applications operating in the 8,000 rpm range utilizing Edelbrock LS-R CNC cylinder heads #770468. The single plane design features a 4500 series carburetor flange and is capable of producing near 1,000 hp. Port exits are tipped 6.5-degree.