Upgrade your classic ride with the Proform Parts 140 AMP Alternator, designed for reliable performance in vintage Chevrolet, Pontiac, Oldsmobile, and Buick models from 1976 to 1987. Powerful Output: With an advertised amperage output of 140 amps, this alternator ensures your electrical systems run smoothly, providing ample power for all your accessories. Chrome Finish: The sleek chrome finish not only enhances the aesthetic of your engine bay but also offers durability against the elements. Easy Installation: Featuring a V-belt pulley and one-wire capability, installation is straightforward, making it easier for you to get back on the road. Internal Regulator: The internal regulator design simplifies wiring and reduces clutter, ensuring a cleaner setup for your vehicle. Compatible Fit: Specifically designed for GM 10SI/10DN/12SI case styles, this alternator fits a range of classic models, ensuring reliability and performance. Revitalize your classic car’s electrical system with the Proform Parts 140 AMP Alternator, a perfect blend of style and functionality.