Replacement Electric Choke Carburetor 650 cfm Square Flange

Product Description Annular flow booster for improved fuel atomization Dependable street performance with smooth throttle response Adjustable secondary air valve for seamless part to full throttle transition Available with manual or electric choke options Lightweight satin finish aluminum construction Installation DVD included with every carburetor

RoyalAir AVS2 Series Carburetor Introducing the RoyalAir AVS2 Series carburetor, the next generation in RoyalAir carburetors. Specifically designed and calibrated for optimal street performance in small-block and some big-block engines, the AVS2 features annular flow primary boosters with a new calibration to enhance off idle and cruising performance. The annular flow booster design ensures improved fuel atomization, eliminating any flat spots typically experienced during transitions from idle to full throttle. Each annular flow booster contains eight equally spaced orifices for better fuel metering from idle to the main circuit.

This carburetor's improved flow metering makes it a suitable choice for a wide range of small-block and big-block engines, whether equipped with dual- or single-plane intake manifolds. The RoyalAir AVS2 is equipped with both timed and full vacuum ports for ignition advance. Available as the RoyalAir AVS2 Series 1906, this satin-finished four-barrel carburetor with electric choke is designed and calibrated for engines that require a 650 CFM air-fuel flow for optimum street performance.

The RoyalAir AVS2 #1805, #1806, #1905, #1906 carburetors come with .101 primary and .098 secondary metering jets, .070 x .037 metering rods, and a 5" Hg step-up spring. With annular flow primary boosters and improved calibration, the RoyalAir 1906 AVS2 650cfm carburetor guarantees smoother off-idle and cruising performance. Designed and calibrated with a new annular flow booster, the RoyalAir 1906-650cfm AV2 Carburetor is perfect for small-block and big-block engines, offering improved flow metering for enhanced performance with both dual- or single-plane intake manifolds.

Upgrade to the 1906 AV2 650CFM Carburetor for a smoother idle and quicker throttle response, allowing your vehicle to run with greater performance on the road. RoyalAir proudly offers a 90-day guarantee, ensuring a hassle-free shopping experience. Simply contact us with any issues for a replacement or full refund.

product information: