Ultra Series GM 10SI Alternator w/ Serpentine Pulley, 140 AMP, As Cast Finish

GM 10SI alternator

6 & 12 mounting positions.

6.6" center to center mounting.

High 140 amp.

1 wire easy to connect.

Cast finish.

Black Serpentine Pulley and Fan

Highest-quality neoprene-sealed bearings for long-life. Ultra low cut-in voltage regulators keeps the extra amps flowing in low idle situations. Exclusively-developed high-tech rotors and stators.

Built with higher copper and steel content to deliver the greatest output with the best reliability.