Edelbrock Polished BB Chevy Victor EFI ManifoldEdelbrock part #292751 Super Victor BBC #292751 EFI intake manifold is designed for Chevy big blocks with rectangular port cylinder heads, this single plane manifold is ideal for 500+ cubic inches or any big block drag race engine with high air flow requirements. In dyno testing, Super Victor #292751 EFI outperformed the competition out of the box with just a port match and minor blending of critical surfaces. This manifold offers a polished finish