This Holley carburetor is an ideal addition to any car enthusiast's collection. It features two barrels, OE/OEM part numbers 82574663 and 63BRX3203, and a manufacturer part number of 12R-7886B. Designed for optimal air and fuel delivery, this carburetor is perfect for any car or truck. The brand, Holley, is known for their high-quality products and this carburetor is no exception. Whether you're looking to upgrade your vehicle's performance or just adding to your collection, this carburetor is a great choice.