The Edelbrock Victor Jr. Holden #28945 EFI intake manifold is for use with competition 355+ c.i.d. Holden V8 engines that utilize the 1988-98 Holden VN cylinder heads. The Victor Jr. Holden is a single-plane design that is tuned for maximum air flow from 3500 to 7500 rpm. It features a taller design with long tapered runners for a broad operating rpm range. Will fit both stock 1988-1998 EFI style cylinder heads and the Edelbrock Holden VN RPM cylinder heads. It also features a 4150 flange for use with square-bore carburetors and throttle bodies. Includes extra material for porters to modify for use with 4500 series applications. The water outlet is machined for use with a small-block Chevy waterneck.