Holley Intake Manifolds feature a cast aluminum construction and have a long tradition of being one of the best products on the market. Review the information below for Holley intake specifications. Product Features:Single Plane/Open Plenum DesignDeep Plenum Design With Isolated Runners4150 Square Bore Carburetor Mounting FlangePower Band 4500-8500 rpmHeight Front 4.75 in. Rear 6.25 in.Port Size 1.85 in. Height 1.60 in. Width
