Edelbrock 1901 AVS2 Series Carb/2121 Intake Manifold Kit, 289 SBF

Comes ready to run right out of the box
The 500 CFM are designed for smaller cubic-inch engines with a single carburetor
Carburetor features annular flow primary boosters to improve off idle and cruising performance
It helps eliminate any flat spots that may happen when the carburetor transitions from idle to full throttle
Includes an electric choke and has a square flange that allows it to be fitted to many different intake manifolds