Powermaster 8072 100 Amp GM-Style CS121 Race Alternator, 12V, 1-Wire, Black

The Powermaster 8072 GM-style race alternator delivers dependable 100-amp charging performance for performance vehicles, custom builds, and racing applications. Designed around the CS121 race configuration, this 12-volt alternator uses a simple 1-wire connection for streamlined installation and reliable electrical output. Its GM-style design provides compatibility with many applications that use a traditional GM alternator setup.
The alternator features an aluminum case finished in durable black powder coat for a clean appearance and added protection in demanding under-hood environments. It is supplied without a pulley, allowing builders and installers to select the pulley configuration that best matches the application, belt system, and desired charging characteristics. This configuration is well suited for projects where component selection and installation flexibility are important.
The Powermaster 8072 is built for focused race and performance use, offering efficient charging support without unnecessary features or added complexity. Its 1-wire design helps simplify wiring while maintaining a practical solution for vehicles requiring a compact, high-output alternator. Verify vehicle fitment, mounting arrangement, belt alignment, and pulley requirements before installation.

Features:

• 100-amp charging output for performance and racing applications

• 12-volt electrical system compatibility

• 1-wire design for simplified installation

• GM-style CS121 race alternator configuration

• Aluminum case with black powder-coat finish

• Supplied without a pulley for application-specific setup

• Brand: Powermaster

• Part Number: 8072