The Holley Carb 2BBL Carburetor is a high-performance part designed for GMC trucks from 1950 to 1955. Made in the United States by Holley, known for their quality and durability, this carburetor is perfect for enhancing the performance of your classic truck. With a manufacturer part number of 852, this carburetor is a reliable and authentic choice for those looking to upgrade their induction system for improved engine function. Flappers move but it will need rebuilt kit.