Edelbrock 1906-CP AVS2 650 CFM 4-Barrel Carburetor Electric Choke Chrome Plasma

The Edelbrock 1906-CP AVS2 is a 650 CFM, 4-barrel, square-bore street carburetor featuring a striking Chrome Plasma finish and electric choke. Engineered with Annular Flow Booster technology, this carb delivers near-EFI-like throttle response and drivability straight out of the box — without the complexity of fuel injection.

Annular Flow Booster Technology:

At the heart of the AVS2's performance is its annular booster ring, which replaces the traditional single brass down-leg fuel feed. The ring uses eight equally spaced orifices to distribute fuel evenly into the airstream, eliminating flat spots and dramatically improving throttle response across the low-to-mid RPM range — all without giving up top-end power.

Chrome Plasma Finish:

The show-quality Chrome Plasma finish is applied through a rigorous 7-stage process, resulting in a durable, brilliant surface that is easy to maintain and built to last under the hood.

Key Features:

• 650 CFM airflow rating — ideal for a wide range of small-block and big-block engines
• 4-barrel, square-bore flange for broad intake manifold compatibility
• Electric choke for reliable, automatic cold-start operation
• No power valve — eliminates blowout from engine backfires
• Qwik-Tune Secondary Air Valve allows limitless secondary circuit calibration with simple hand tools
• Metering rods and springs are changeable without removing the carburetor or draining fuel
• Two-piece design allows float level adjustments and internal component swaps without removing the carb from the engine
• Updated booster calibration optimized for today's fuels and octane levels
• Non-EGR compatible
• Made in the USA by Edelbrock

The AVS2 1906-CP includes both timed and full vacuum ports for ignition advance and ships with metering jets, metering rods, and a step-up spring. Base and top gaskets are also included. Compatible with dual- and single-plane intake manifolds across a variety of American V8 engines.