Powermaster 67127 GM 10SI 100 Amp 1-Wire Alternator with Polished Finish

The Powermaster 67127 is a high-output 100-amp alternator designed for GM applications using the classic 10SI case design. This alternator features convenient 1-wire operation, eliminating the need for a factory harness connection and simplifying installation in street rods, muscle cars, and custom applications.

Key Features:

• 100-amp output for reliable charging performance
• GM 10SI case design for direct fitment in compatible applications
• 1-wire (1V) hookup for simplified wiring and universal compatibility
• Polished aluminum finish for a show-quality appearance
• Single V-belt pulley included for standard belt-driven systems
• Compact design fits tight engine compartments

This alternator is ideal for enthusiasts looking to upgrade their charging system while maintaining a clean, period-correct appearance. The 1-wire design requires only a connection to the battery positive terminal, making it perfect for vehicles with modified wiring or aftermarket engine swaps.