Holley Performance 300-110 Engine Intake Manifold

Compatible with 1957-1986 262ci-400ci, 1987-later Small Block Chevy with Aluminum Heads; This is a great manifold designed for competition engines built for circle track and drag racing using 23º standard port heads. Ideal for classes that require cast iron heads that require an unported intake manifold.;

Power band: 4500-8500 RPM Isolated Water cross-over Square Bore Carburetor Mounting Flange Single Plane with Isolated Plenum Port Size: 2.00†height 1.20" width Height: Front 6.13", Rear 6.13"