Description
Product Overview
The 1905 4-barrel carburetor delivers 650 CFM of airflow with AVS2 annular booster technology for superior fuel atomization. Featuring a satin finish, square bore flange, and manual choke, this carburetor is ideal for small block V8 street performance and mild strip applications. The annular boosters provide crisper throttle response and improved part-throttle drivability compared to traditional down-leg boosters.
Key Features
-
Annular Boosters: AVS2 annular discharge boosters deliver superior fuel atomization for improved throttle response and better fuel economy at cruise.
-
650 CFM Flow: Optimized venturi sizing supports 283-400 cubic inch V8 engines for street performance, mild racing, and daily-driver hot rod applications.
-
Square Bore Design: Standard square bore flange pattern fits most aftermarket and OEM 4-barrel intake manifolds without adapters.
-
Manual Choke Control: Traditional manual choke gives you full control over cold-start enrichment — simple, reliable, no vacuum routing needed.
-
Satin Finish: Attractive satin finish with durable coating resists fuel stains and corrosion for a long-lasting professional appearance.
Compatibility
| Make |
Model |
Engine |
Year |
| Universal |
Small Block V8 (283-400 CI) |
V8 Gasoline |
Universal |
Specifications
| Specification |
Detail |
| Part Number |
1905 |
| Series |
AVS2 |
| CFM Rating |
650 |
| Barrels |
4-Barrel |
| Flange Type |
Square Bore |
| Choke |
Manual |
| Application |
Street Performance / Mild Strip |
Why Choose iFJF
At iFJF Direct, we supply performance parts built for enthusiasts who demand reliability and value. Every product undergoes quality inspection and is backed by our 1-year warranty. Fast US shipping from our warehouse.
Frequently Asked Questions
Q: What intake manifold does this fit?
A: Standard square bore (Holley-style) flange pattern. Fits most aftermarket and OEM 4-barrel intake manifolds. An adapter may be required for spread bore manifolds.
Q: Does it include a fuel inlet fitting and gaskets?
A: Yes, arrives with base gasket, mounting studs, and fuel inlet fitting. A fuel pressure regulator (4.5-6.5 PSI recommended) is sold separately.
Q: Is this suitable for a daily driver?
A: Absolutely. The AVS2 annular boosters provide excellent street manners with smooth idle, crisp throttle response, and reliable cold starts.
Q: What is your return policy?
A: We offer a 30-day return policy for unused items in original packaging. Contact us for a replacement or full refund if you receive a defective product.
Q: How fast is shipping?
A: Orders ship within 1-2 business days from our US warehouse. Standard shipping takes 3-7 business days. Expedited options available at checkout.
Q: Do you offer warranty?
A: Yes, all iFJF products come with a 1-year warranty against manufacturing defects.
Order with Confidence
Ready to wake up your small block? Add to cart now and enjoy free shipping on orders $50+. Have a technical question? Our support team responds within 24 hours.
