The GM 3800 Eaton M90 Supercharger is a vintage performance part designed for Pontiac Grand Prix GTP, Buick Regal, and Impala SS vehicles. This silver supercharger, manufactured by Eaton in the United States, features a belt-driven design with a twin-scroll and twin feature for added performance. It is a superseded part with OE/OEM part number 24506721, making it a reliable choice for car enthusiasts looking to upgrade their air and fuel delivery system with a high-quality and authentic component.