Product Categories

The SBC-F3.7-250XP generates a maximum of 250 Amps at normal driving speeds and 185 Amps at idle. The OEM alternators for this engine produce a maximum of 110 to 220 Amps depending on the vehicle. By upgrading to the 250XP alternator you are gaining between 30 and 140 Amps.


  • Idle Output: 186 Amps
  • Max Output: 251 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.