These alternators are a great addition to your engine, whether it's for the great look or the reliable, high-amperage output. This alternator produces 220 amps, which is a significant jump above stock. It is perfect for vehicles with a lot of accessories and equipment and is perfect for hot rod or muscle car applications. It can be wired with a one-wire or three-wire set-up. 220 amp output alternator, Internally regulated, with serpentine pulley. One-wire capable for easy wiring into your project. Commonly used in GM vehicles from 1985-1993. Available in Black or Chrome finish.