OEM-Quality Alternators for Your GM Vehicle

Tuff Stuff GM alternators provide you with plenty of amperage power; making them the perfect addition to your muscle car, hot rod, custom, or light-duty truck. These heavy-duty alternators feature copper-wound coils, spike-resistant diodes, low idle cut-in internal voltage regulator (except where noted), cooling fan and pulley. Each alternator is tested to meet or exceed OEM specifications and is available in your choice of chrome, polished as cast, or powder-coat finish.