Product Categories

The SBC-GM4-390XP is a direct bolt on high output alternator for GM AD244/DR44 4-Pin applications. It installs in the OEM mounting location and connects directly to the vehicle’s wiring harness with no modifications.

The SBC-GM4-390XP can also be used in multi-alternator kits that use GM AD244/DR44 mounts.


  • Idle Output: 220 Amps
  • Max Output: 392 Amps

Read more

This site uses cookies to offer you a better browsing experience. By browsing this website, you agree to our use of cookies.
Seraphinite AcceleratorOptimized by Seraphinite Accelerator
Turns on site high speed to be attractive for people and search engines.