Edelbrock part 28009 Big Victor 2 CNC intake manifold is designed for large cubic - inch or high rpm drag racing big - blocks. The Big Victor 2 is a spread - port design and has been CNC port matched for a proper fit right - out of - the - box, when used with the Edelbrock Big Victor, Brodix, Dart or Pro - Filer Raptor cylinder heads. This manifold has the same features as the standard as - cast Edelbrock Big Victor 2 Spread - Port intakes. This intake manifold is equipped with a 4500 Series flange and will accept 2.25 throttle body butterflies without a spacer or modification.