Mechman 170 AMP Racing Alternator GM LS Truck - Black

Mechman 170 AMP Racing Alternator – GM LS Truck (Black Finish)

The Mechman 170 AMP Racing Alternator for GM LS truck applications delivers a major upgrade in charging performance and durability over factory large-case truck alternators. Finished in a sleek black coating, this alternator is designed for racing, performance builds, and LS swaps that demand reliability under high-RPM conditions. Featuring advanced 6-phase technology, it produces over 120 amps at idle and maintains excellent output even in demanding environments.

Key Features

• High-output 170 AMP design
• 6-phase alternator technology for improved efficiency
• Delivers 120+ amps at idle
• Stock-diameter pulley for excellent high-RPM compatibility
• Twin steel internal fans for enhanced cooling
• Hairpin stator for superior high-RPM durability
• Twin pure copper rectifier plates with 12 heavy-duty diodes
• Durable black finish for a clean, performance-oriented look

Easy Installation

The simple internal voltage regulator makes this alternator ideal for engine swaps and custom builds. Only three connections are needed:

• 4-gauge positive cable from alternator to battery
• 4-gauge ground cable from alternator to battery or chassis
• Ignition-switched “turn on” wire to the alternator plug

Ideal For

• GM LS truck applications
• LS engine swaps
• Racing and high-RPM performance vehicles
• High-demand electrical systems (fans, pumps, audio, lighting, etc.)