The Water Pump Pulley is a high-quality, vintage part designed specifically for small block Chevy engines. Made by A Team Performance in the United States, this pulley features a 6.300" outer diameter and a 5/8" shaft, ensuring a perfect fit for your vehicle. The black steel construction adds durability and longevity to your car's water pump system, making it a reliable choice for any Chevy enthusiast looking to upgrade their engine components.