
Mechman 320 AMP Racing Alternator GM LS Truck
MECHMAN
Mechman 320 AMP Racing Alternator – GM LS Truck
The Mechman 320 AMP Racing Alternator delivers extreme charging power and race-ready durability for GM LS truck applications. Designed as part of the high-performance 240/320-amp series, this alternator provides a massive output advantage over stock large-case units while maintaining excellent reliability in harsh, high-RPM environments. Featuring advanced 6-phase technology, it produces 120+ amps at idle and supports high-output builds with ease—making it ideal for boosted engines, high-demand electrical systems, or heavy race accessories.
Key Features
- High-output 320 amp racing alternator
- Advanced 6-phase design for superior efficiency and stability
- Cranks out 120+ amps at idle
- Equipped with a 46mm high-output pulley for improved performance
- Twin steel internal cooling fans
- Hairpin stator for exceptional high-RPM durability
- Twin pure copper rectifier plates and 12 oversized diodes for extreme reliability
- Perfect for boosted setups, high-demand accessories, and race builds
Easy Installation
Designed with a simple internal voltage regulator, installation is quick and universal for engine swap and custom wiring applications:
- Connect 4-gauge positive cable from alternator to battery
- Connect 4-gauge ground cable to battery or chassis
- Provide ignition-switched turn-on wire to alternator plug
- The alternator manages the rest automatically
Ideal For
- GM LS truck applications
- LS engine swaps
- Racing and high-RPM performance builds
- Boosted engines, nitrous builds, and heavy electrical loads
- High-draw audio, cooling, lighting, and fuel systems