Powermaster 8138 Denso-Style Race Alternator, 100 Amp, 12V/16V, 1-Wire, Black Powder-Coated

The Powermaster 8138 Denso-style race alternator is designed to deliver dependable charging performance for high-performance and racing applications. With a 100-amp output and compatibility with 12-volt and 16-volt electrical systems, this alternator helps support demanding ignition, fuel, lighting, and accessory loads while maintaining a compact, race-oriented design. Its 1-wire configuration simplifies installation by reducing wiring requirements and providing straightforward voltage regulation.
The Powermaster 8138 features a lightweight aluminum case with a durable black powder-coated finish for improved corrosion resistance and a professional appearance. Built in the popular Denso-style format, it is suited for applications where space, weight, and reliable electrical output are important considerations. The unit is supplied without a pulley, allowing builders to select the pulley configuration that best matches their belt system and accessory-drive requirements.
This Powermaster Denso-style race alternator is intended for custom builds, competition vehicles, and performance applications that require flexible voltage capability and strong charging output. Verify mounting arrangement, belt alignment, pulley selection, and vehicle electrical-system requirements before installation. The 8138 is sold individually and provides a practical solution for racers and builders seeking a high-output alternator in a compact aluminum housing.

Features:

• 100-amp output supports demanding racing and performance electrical systems

• Compatible with 12-volt and 16-volt applications

• 1-wire design simplifies installation and wiring

• Denso-style race alternator configuration

• Aluminum case reduces weight for performance-focused builds

• Black powder-coated finish provides durable corrosion resistance

• Supplied without a pulley for application-specific pulley selection

• Designed for custom, competition, and high-performance vehicles