Spectre's Alternator Pulley Kit is engineered to provide high performance alternator hardware with a universal design. Manufactured from machined aluminum, this part will fit the majority of Chevrolet, General Motors, and Ford engines. This product includes Spectre's Alternator Fan, featuring a triple chrome-plated finish. Designed for a 3/8-inch wide belt, this single groove pulley comes with mounting hardware to ensure easy installation.