Edelbrock part 28945 Victor Jr. Holden 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.