Edelbrock 1901 - Carburetor, AVS2 Series, 500 CFM, Electric Choke

The Edelbrock #1901 AVS2 Series 500 cfm carburetor is the next generation in Edelbrock carburetors. Designed and calibrated for optimum street performance in small-block engines. The AVS2 features annular flow primary boosters with a new calibration for improved off idle and cruising performance. The annular flow booster design delivers improved fuel atomization to eliminate flat spots that may be encountered when the carburetor transitions from idle to full throttle. Each annular flow booster features eight, equally spaced orifices to improve fuel metering from idle to the main circuit. The improved flow metering makes this carburetor ideal for use with a wide variety of small-block and big-block engines with either dual- or single-plane intake manifolds. The Edelbrock #1901 AV2 Series 500 cfm Carburetor is designed and calibrated for small cubic-inch single carb applications, match with an Edelbrock Performer or Performer EPS manifold or other brands of similar design. Includes both timed and full vacuum ports for ignition advance.

Calibrated for ultimate performance
#1901 is calibrated for single-quad applications and factory equipped with: Metering Jets - Primary .095, Secondary .095, Primary Rod .070 x .052, orange spring (5' Hg). Use carburetor Studs #8008 or #8024 if needed. Match with an Edelbrock intake manifold for the ultimate induction upgrade.