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SKU: 1905 | UPC: 085347019052
Edelbrock AVS2 Series 650 CFM Carburetor 1905 - Electric Choke, Black
The Edelbrock 1905 AVS2 Series 650 CFM Carburetor is the next-generation street performance carb for small-block and some big-block engines, delivering crisp throttle response, smooth cruising, and strong mid-to-top-end power. Featuring annular flow primary boosters with eight equally spaced orifices for superior fuel atomization, this carb eliminates flat spots during idle-to-full-throttle transitions. Calibrated for optimum street use with electric choke, dual vacuum ports (timed and full), and a black finish for a modern, aggressive look ideal for muscle cars, hot rods, classic trucks, or any performance build requiring reliable 650 CFM flow on single- or dual-plane manifolds.
What's Included
- Annular Flow Primary Boosters: Eight orifices per booster for improved fuel metering and crisp response
- Metering Jets: Primary .101, Secondary .098
- Metering Rods: .070 x .037
- Step-Up Spring: Orange (5" Hg) tuned for smooth transition
- Electric Choke: Fully automatic for easy cold starts
- Vacuum Ports: Timed and full vacuum for ignition advance and accessories
- Black Finish: Durable, corrosion-resistant coating with classic Edelbrock styling
Key Features
- Annular Boosters: Deliver superior atomization and eliminate flat spots during throttle transitions
- Optimized Calibration: Tuned for street performance excellent idle, cruise, and wide-open throttle
- 650 CFM Rating: Ideal for small-block V8s (302-400ci) and mild big-blocks supports up to 450-500 HP
- Electric Choke: Reliable cold-start operation with no manual intervention
- Dual Vacuum Ports: Timed and manifold vacuum for ignition advance and power brakes
- Easy Tuning: Standard jets/rods/spring setup – compatible with Edelbrock tuning kits
Specifications
| Specification | Detail |
|---|---|
| Part Number | 1905 |
| CFM Rating | 650 CFM |
| Choke Type | Electric |
| Primary Jets | .101 |
| Secondary Jets | .098 |
| Metering Rods | .070 x .037 |
| Step-Up Spring | Orange (5" Hg) |
| Booster Type | Annular Flow Primary Boosters |
| Finish | Black |
| Compatibility | Small-Block & Mild Big-Block Engines (Single/Dual-Plane Manifolds) |
| Country of Origin | United States |
| Warranty | Limited (Edelbrock) |
Product Notes
- AVS2 Series next-gen design with annular boosters for improved street performance
- Match with Edelbrock Performer, Performer EPS, RPM Air-Gap, or similar manifolds
- Use Carb Stud Kits #8008 or #8024 if needed for installation
Installation Notes
- Estimated time: 2-4 hours, moderate difficulty, basic carb tools required
- Direct replacement bolt-on to 4-barrel manifold, connect fuel and vacuum lines
- Professional installation recommended tune idle mixture, check for vacuum leaks
This Part Fits
| Application | Notes |
|---|---|
| Universal | Small-Block V8 (302-400ci) & Mild Big-Block Engines |
| Common | Ford, Chevy, Mopar, Pontiac, Olds – Street/Performance Builds |
Why Choose Edelbrock AVS2 650 CFM Carburetor?
- Annular boosters eliminate flat spots and improve throttle response across the RPM range
- Electric choke and dual vacuum ports for easy starting and full accessory compatibility
- Limited warranty and Made in USA quality trusted street carb for decades
Frequently Asked Questions
-
Q: Will this carb fit my 351W small-block Ford?
A: Yes, Edelbrock 1905 is ideal for small-block V8s (302-400ci) and mild big-blocks on street manifolds. -
Q: Does it come with electric choke?
A: Yes – fully automatic electric choke for reliable cold starts. -
Q: Is tuning required?
A: Pre-calibrated for street use minor idle mixture adjustment may be needed. -
Q: What manifold should I use?
A: Edelbrock Performer, Performer EPS, RPM Air-Gap, Torker II, or similar 4-barrel manifolds.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 10-12 lbs
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