Edelbrock part #7073 Victor Ram Top is for use on Small Block Chevrolets with 4150 series carburetors (sideways mounting) and our Victor Ram base manifold #7075 only. The Edelbrock Victor Ram 23 degree top also features a natural aluminum finish for a classic look. For the ultimate "Made in USA" quality, every Edelbrock intake manifold is cast and machined in the USA.