Edelbrock part 2891 Super Victor 440 intake manifold is designed for 413 - 440 - 500 RB with standard or Max Wedge heads and 4500 Series carburetors. For competition and high - rpm Chrysler V8's, the Super Victor 440 has an all - new runner design that delivers maximum power from 3500 to 8000 rpm in drag race applications. This intake manifold features standard 440 port exit sizes 1.13 x 2.17 to match with Edelbrock Victor 440 aluminum cylinder heads 77919 or 77929. Edelbrock part 7798 valley cover is required when used with Edelbrock Victor Series cylinder heads