This fan is designed for GM and Ford alternators and works with any alternator pulley. It is precision CNC-machined from solid billet 6061-T6 aluminum and is covered with a clear powdercoat. 1966-1986 BUICK ALL MODELS1966-1986 CHEVROLET ALL MODELS1966-1986 FORD ALL MODELS1966-1986 PONTIAC ALL MODELS