Chevrolet Bow-Tie Emblem Alternators...
Proform Parts, America’s leading supplier of Factory Performance GM Officially Licensed parts, now has beautifully polished Bow-Tie Emblem alternators. These are 100% new alternators use four part numbers covering the most popular GM car and truck applications. The internal regulator alternator for 1973-’86 vehicles (#141-656), the 100-Amp alternator (#141-657), the 80-Amp alternator (#141-659) and the 60-Amp 1-wire unit (#141-658).
All Proform alternators feature heavy-duty rotors, CNC machined pulleys and show quality polished cases. The red Chevrolet Bow-Tie Emblem, prominently displayed on the case, is used under license to Proform/Specialty Auto Parts.
Each Proform alternator is tested prior to shipping and a performance graph is enclosed with the respective alternator. Representative performance for the 100-Amp application (tested at 13.0 volts): 59 Amps @ 1800 alternator RPM, 72 @ 2000 RPM, 104 @ 3000 RPM, 115 @ 4000 RPM,119 @ 5000 RPM and 121 @ 6000 RPM.
Proform/Specialty Auto Parts