Holley Keith Dorton Series Intake - Chevy Small Block V8

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Overview 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 he ads that require an unported intake manifold. Keith Dorton Series Intake Manifold 1957-1986 262ci-400ci, 1987-later with Aluminum Heads Features Isolated Water cross-over Square Bore Carburetor Mounting Flange Power band: 4500-8500 RPM Single Plane with Isolated Plenum Port Size: 2.00” height 1.20" width Height: Front 6.13", Rear 6.13" Show more