PROFORM 66445.8N 80-Amp Chrome 10SI Alternator for GM, 1-Wire

Upgrade your GM charging system with the PROFORM 66445.8N 10SI alternator, designed to deliver dependable 80-amp output at 12 volts. This 1-wire alternator simplifies installation by using a single connection for charging, making it a practical choice for street rods, classic cars, custom builds, and other GM applications requiring reliable electrical performance. The integrated single V-belt pulley supports compatibility with traditional belt-drive systems.
The PROFORM 66445.8N features a polished chrome finish and an aluminum case for a clean appearance and durable construction. Its compact 10SI design is well suited for engine compartments where space and visual presentation are important. Built for straightforward installation and consistent charging, this alternator helps support ignition, lighting, accessories, and other electrical components while maintaining a classic GM-style appearance.
Designed for GM applications, this PROFORM 80-amp alternator is supplied as an individual unit and is intended for use with compatible mounting brackets, wiring, and belt systems. Confirm vehicle fitment, mounting configuration, pulley alignment, and electrical requirements before installation. The 1-wire design offers a simplified charging setup, while the 12-volt output makes it suitable for a wide range of compatible automotive electrical systems.

Features:

• Brand: PROFORM

• Part Number: 66445.8N

• Alternator Type: 10SI

• Output: 80 amps

• Voltage: 12 volts

• Wiring: 1-wire design

• Pulley: Single V-belt pulley

• Case Material: Aluminum

• Finish: Chrome

• Application: GM vehicles and compatible custom applications

• Quantity: Sold individually