PROFORM 66448.1F Ford 10SI 100 Amp 12V 1-Wire Alternator with Single V-Belt Pulley

The PROFORM 66448.1F alternator is a dependable charging solution for Ford applications requiring strong 12-volt electrical performance and simplified wiring. This 10SI-style alternator delivers 100 amps and uses a convenient 1-wire configuration, making installation straightforward for compatible custom, street, and performance vehicles. Its single V-belt pulley is designed for traditional belt-drive systems, while the aluminum case helps provide a practical balance of strength and weight.
Finished in a durable black powder coat, the PROFORM 66448.1F adds a clean, performance-oriented appearance to the engine compartment while helping protect the housing from everyday wear. The alternator is supplied as an individual unit and is designed for Ford applications using compatible mounting and belt arrangements. Verify vehicle fitment, bracket configuration, wiring requirements, and pulley alignment before installation.
The 1-wire design allows the alternator to sense system voltage through the charging connection, reducing wiring complexity compared with externally regulated systems. With its 100-amp output, the PROFORM 66448.1F is well suited for vehicles with upgraded lighting, ignition, audio, and accessory demands. This Ford alternator combines practical installation features with a durable finish for reliable service in a wide range of automotive builds.

Features:

• Brand: PROFORM

• Part Number: 66448.1F

• Application: Ford vehicles with compatible 10SI mounting and belt-drive configurations

• Alternator Type: 10SI-style alternator

• Output: 100 amps

• Voltage: 12 volts

• Wiring: 1-wire design for simplified installation

• Pulley: Single V-belt pulley

• Housing: Aluminum case

• Finish: Black powder coat

• Quantity: Sold individually