GM Mega Amp High Output Alternator – 6.6" Mount | Up to 320 Amps
Looking for maximum power in a compact package? Our GM Mega Amp alternator is engineered for high performance and tight engine bays. Built in a custom billet aluminum case, this alternator delivers up to 320 amps and fits perfectly where space is limited.
🔧 Key Features:
- Up to 320 Amps Output – Ideal for high-demand electrical systems
- 6.6" Straight Across Ear Mount – Matches Delco 10SI, 12SI, CS-130 and more
- Optional 1-wire regulator for simplified installation
- 6-phase stator – Delivers powerful charging even at low RPMs
- Custom Billet Aluminum Case – Lightweight (just 12 lbs) and great-looking
- Side or Rear Output Post – Choose the layout that fits your engine bay best
- Dual Internal Fans – Keeps the alternator cool under high temperatures
- Dual Rectifiers – Increases efficiency and reliability
- Dash Light Compatible – Use a plug-in regulator for dash warning light
🚗 Ideal For:
- Early GM vehicle alternator upgrade
- Marine alternator replacement (with 1" pivot ear option)
- Muscle cars, hot rods, and custom street builds
- Applications with tight space and high electrical demands
