Quadrajet 4 BBL Carburetor Fit For 305-350 Engines 650 CFM Electric Choke

Quadrajet 4 BBL Carburetor

This Quadrajet 4 BBL carburetor delivers fuel-air mixture to 305-350 cubic inch engines using a 650 CFM electric choke system.

Overview

The Quadrajet 4 BBL carburetor offers optimal air and fuel delivery for classic small-block engines. This Quadrajet 4 BBL carburetor features a 650 CFM flow rating and an electric choke for easier cold starts. Performance enthusiasts choose this Quadrajet 4 BBL carburetor to restore throttle response and fuel efficiency on their vintage vehicles.

Built For Performance

• High-quality cast aluminum construction resists heat warp and fuel corrosion
• 650 CFM flow rate provides balanced air-fuel ratio for small-block engines
• Integrated electric choke ensures smooth cold starting and rapid warm-up
• Adjustable idle and needle valves allow precise tuning for local altitudes

Fits These Machines

• for Chevy 305 Engines
• for Chevy 350 Engines

On-The-Job Use

• Restoring fuel delivery in classic cars and utility trucks
• Replacing worn, leaking, or inefficient factory carburetors
• Optimizing engine performance for cruisers and light-duty towing

Specs At A Glance

Good To Know

Q: Is adjustment required for this carburetor out of the box? A: While basic factory settings are pre-tuned, minor adjustments to the idle speed and mixture screws are typically needed to match your specific engine and local elevation. This optimizes overall engine performance.

Q: What is the benefit of an electric choke over a manual one? A: An electric choke automatically regulates the fuel-to-air mixture during startup based on engine warmth, eliminating the need for manual cable pulling. This provides a modern, hands-off starting experience.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.