GM 10SI Billet Alternator

140 AMP - 1 wire

If you want to upgrade your GM 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, 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 powder-coated finish, the GM 10SI alternator combines strength and style.

Product Details:

• 6 and 12 mounting positions
• 7-inch center to center (6.6" center to center mounting available upon request: part# 9655) 
• High 140 amp
• One easy-to-connect wire
• Professionally assembled by Mechman™

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