1955-86 SB Chevy Intake Manifold Dual Plane Air Gap - Satin
Air Gap design keeps hot engine oil away from intake runners resulting
in a cooler, denser charge for more horsepower, torque, and efficiency.
Compatible with popular aftermarket spread bore and square bore
4150 flange carburetors including Edelbrock, Holley, Quickfuel, Proform and more..
Features
- Fits: 1955-96 Small Block Chevy 262-265-267-283-302-307-327-350-400 V8 Engines. (includes center bolt adapter bushings for 1955-1986 and 1987-1995 heads)
- Designed for 23 Degree Heads with Standard Port Location
- Dual Plane
- 4150/4160 4-BBL Spread Bore Carburetor Flange
- Cast Aluminum
- Satin/As-Cast Finish
- Idle to 5500 RPM.
- Port exit dimensions: 1.185" x 2".
- Estimated runner length - Shortest: 5"
- Estimated runner length - Longest: 6.250"
- Manifold height: Short Side 4.375", Tall Side 5.250".
- 2 Front and Rear Ports (1/2" NPT) Water Outlets for Additional Cooling
- 1 Rear 3/8" NPT Vacuum Port
- Accepts Late Model Choke, Water Neck, AC, Alternator and HEI Distributor.
- No Provision for Divorced or Heated Choke
Notes:
- Will NOT fit Corvettes with a stock hood
- Does NOT come with mounting bolts, intake/head gaskets or any other component.
- Stock/stamped steel valve covers may require 3/16" or thicker valve cover gaskets.
- Intake gasket port matching is recommended for better performance.