Product Description:
Increases horsepower by reducing accessory drag. 11 H.P. at rear wheel. Design for vehicle with high amperage needs. EXCELLENT for towing and heavy stop and go driving. These are recommended for automatic transmission vehicles. Belts not included. This is a three piece set including a 6 rib aluminum crank pulley, a non rib aluminum water pump pulley, and a 6 rib aluminum alternator pulley.