D1ZF-10300-AA AUTOLITE ALTERNATOR 12 VOLT 55 AMP. FITS 1971 MUSTANG, COUGAR,TORINO,CYCLONE 429 CJ AND SCJ.. BUILT FROM AN ORIGINAL AUTOLITE CORE. NEW USA BEARINGS AND BRUSHES. ZINC PLATED 10 BLADE FAN AND PLATED SINGLE GROOVE PULLEY. PROFESSIONALLY REMANUFACTURED, RESTORED AND LOAD TESTED. LIFETIME WARRANTY. FRONT HOUSING HAS BEEN RESTAMPED.