AVS2 500 CFM Carburetor With Electric Choke, Satin Finish (Non-EGR) – 1901

Edelbrock AVS2 500 CFM Carburetor w/ Electric Choke – Satin Finish (Non-EGR)

Smooth Street Performance for Small Displacement Builds

Upgrade your street machine with the Edelbrock #1901 AVS2 500 CFM 4-Barrel Carburetor, purpose-built for small cubic-inch engines running single-carb setups. Designed to deliver crisp throttle response, smoother acceleration, and superior fuel atomization, the AVS2 is your bolt-on solution for street performance. Pair it with an Edelbrock Performer or Performer EPS intake—or any square bore manifold of similar design—for the ultimate induction combo.

Key Features:

• 500 CFM Flow Rating – Ideal for small displacement V8 or inline engines seeking balanced performance and drivability.
• Electric Choke – Provides fast, reliable cold starts with no cable linkage required.
• Annular Flow Boosters – Enhance fuel atomization and throttle response at low RPMs.
• Mechanical Secondaries – Engage with precision when performance demands it.
• Tumble-Polished Aluminum Finish – Offers a sleek, durable exterior that resists corrosion.
• Dual Vacuum Ports – Includes timed and full vacuum advance ports for ignition tuning flexibility.

Factory Calibration Specs:

• Primary Jets: .095
• Secondary Jets: .095
• Metering Rods: .070 x .052
• Step-Up Spring: Orange (5″ Hg)

AVS2 500 CFM Carburetor With Electric Choke Technical Specifications:

• Carburetor Type: AVS2 Series
• CFM Rating: 500 CFM
• Number of Barrels: 4
• Choke Type: Electric
• Fuel Inlet: Single
• Mounting Flange: Square Bore
• Secondary Style: Mechanical
• Material: Aluminum
• Finish: Tumble Polished (Satin Look)
• Non-EGR Design – Clean installation with no exhaust gas recirculation routing
• Sold As: Each (New)

Recommended Accessories:

• Carb Stud Kits: Edelbrock #8008 or #8024 (sold separately)

Best Matched With:

• Edelbrock Performer & Performer EPS Intake Manifolds
• Compatible with most square bore intakes for small displacement engines