March Performance GM 10si 100 amp 140 amp 320 amp alternator
March Performance GM 10si 100 amp 140 amp 320 amp alternator
March Performance GM 10si 100 amp 140 amp 320 amp alternator
March Performance GM 10si 100 amp 140 amp 320 amp alternator
March Performance GM 10si 100 amp 140 amp 320 amp alternator
March Performance GM 10si 100 amp 140 amp 320 amp alternator
March Performance GM 10si 100 amp 140 amp 320 amp alternator
March Performance

Performance GM 10si 1-Wire Alternator

Regular price $176.40 $0.00

If you want to upgrade your Chevy engine performance, check out the GM 10si alternator from March Performance.

  • Bearings are sealed with the highest quality neoprene for ultimate longevity and GM engine performance.
  • Ultra low voltage regulators keep the extra amps flowing in low idle situations.
  • Exclusively developed for March Performance serpentine kits and front-end drive systems. The high-tech rotors and stators were built with a higher copper and steel content for reliability and output.

The GM 10si alternator is extremely easy to connect and was built for long-term effectiveness. Manufactured from billet aluminum with a clear, polished, black, and Chrome powder-coated finish, the GM 10si alternator combines strength and style.

Product Details:

  • 6 and 12 mounting positions
  • 7-inch diameter
  • Amp range available in 100, 140, and 320
  • One easy-to-connect wire

*NOTE: Due to the custom fit of this Alternator, please contact our tech support to ensure proper fitment with your application.

For any questions regarding your alternator, fitment to your serpentine kit, or pricing for your alternator, Please call us at (740)715-0571


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