Quadrajet Carburetor 4 Barrel for Chevy and GMC Trucks 1966-1973 V8 Engines

The Quadrajet Carburetor: A Versatile Solution for Chevy and GMC Engines

Fitment: This Quadrajet 4-barrel carburetor is a direct replacement for the 1901-GG Rochester Quadrajet Carburetor - 4MV, compatible with the following applications: - 1966-1973, 1975-1979 Corvettes - 1968-1973 Chevy/GMC Trucks - Chevy 327-454 c.i. engines

The carburetor is a versatile spread-bore design, suitable for daily driving use, with a vacuum secondary and manual choke.

It is compatible with the following Chevy part numbers: 7026202, 7026203, 7026210, 7027202, 7027203, 7027212, 7027213, 7040007, 7040021, 7046904, 7047207, 7047303, 7047305, 7047306, 7047307, 7047316, 7047319, 17054236, 17054709, 170549.

Product Description: The Quadrajet carburetor is a 4-barrel, two-stage downdraft design known for its simplicity and versatility. It can be adapted to a wide range of engine sizes without major casting changes.

The float system features a centrally located fuel reservoir, ensuring an adequate fuel supply to all carburetor bores for excellent performance, even during severe driving conditions. The float system includes a solid plastic float pontoon for added buoyancy, and either a diaphragm-assisted or standard needle and brass seat float valve.

The idle system operates on the primary side of the carburetor, providing the correct air/fuel mixture ratios during idle and off-idle operation. It consists of idle tubes, passages, air bleeds, channel restrictions, and adjustable mixture needles to precisely control the fuel delivery.

Specifications: - CFM Rating: 600-800 CFM, most are 750 CFM - Main Jet: 185mm - Idle Jet: 120mm - Auxiliary Venturi: 7.3mm - Venturi (Choke Tube): 28mm - Air Correction Jets: 110mm - Needle Valve: 3.3mm

Customer Service: This carburetor is shipped as shown in the pictures. Please review the images carefully and feel free to contact us if you have any questions about the fitment or compatibility.

Before installation, we recommend that you research relevant installation videos online and follow the correct steps carefully. This product does not include installation instructions.

If you are unsure about the correct carburetor for your application, please reach out to us, and we will be happy to assist you in confirming the right fitment.

product information: