100% Brand new, never been used. Intake Manifold Type: Dual Plane. Intake Section Included: Complete. RPM Range: Idle-5,500. Overall Height: 4.25. Port Height: 1.85. Port Width: 1.15. Fuel System Type: Carbureted. Carburetor Flange Type: 4-Barrel Square Bore. Bolt Hole Pattern: 5.160″ x 5.625″. Mounted Height: 4.25. Notes: Recommends a 500-650 CFM carb. Professional installation in highly recommended(No instruction included). Best choice of motor parts. Black Aluminum Intake Manifold For SBC Small Block Chevy 305 327 350 383. 1 X Intake Manifold. As the pictures show. 305,350,383 ci. Idle – 5500 RPM Range. The orders of Friday would be shiped in the next Monday. And our Office is closed on weekends and public holidays. We apologize for the late reply during the holidays. Narrow Band Exhaust Clamp. Exhaust Pipe Reducing Clamp. Radiator Coolant Overflow Tank. Intercooler Pipe Boot Kit. Towing Chain & Hook. 4 Textured Cold Air Intake Pipe Heat Shield Fit 99-06 GMC Sierra 1500/2500/3500. 3 Air Intake Elbow Tube For 98.5-02 Dodge Ram 2500 3500 Cummins Diesel 5.9L. High Flow Intake Elbow Tube Pipe For 2003-07 Dodge Ram 5.9L Cummins Diesel Black. Dual Plane Satin Aluminum Intake Manifold For SBC Chevy Vortec 350 1996 & Later. Engine Low Profile Oil Pan Kit for LS1 LS2 LS3 LS6 4.8L 5.3L 6.0L 6.2L 302-2. 30″X18″X18″ Black Steel Underbody Truck Tool Box & 18″X18 Mounting Brackets Kit. 4 Pack 3.5″ Exhaust Muffler U-Bolt Clamps Heavy Duty Type GM Fits 3-1/2″ Pipe. Black Steel 36″X18″X18″ Underbody Truck Tool Box & 18″X18 Mounting Brackets Kit. Black Steel 48″X18″X18″ Underbody Truck Tool Box + 18″X18 Mounting Brackets Kit. 24″X18″X18″ Black Steel Underbody Truck Tool Box & 18″x18 Mounting Brackets Kit.