Water Pump: Chev S/B V8 55-70 (GM)This heavy duty water pump is a genuine GM part designed for small block Chevy V8 engines from 1955 to 1970, including 283, 327, and 350 models. Built to handle multiple belt setups and accessories such as AC, it offers robust performance and reliability for demanding applications. While priced higher, its durability and compatibility with various belt driven components make it a superior choice for your Chevy small block engine.