Product details:
Aftermarket Chrome Chevy 110 Amp 3-Wire AlternatorThis alternator is equipped with the 3-wire voltage regulator to allow you to operate your indicator light on the dash. You will need to use the side pigtail voltage regulator plug on this unit. The output is 110 amps for maximum power when you need it! 10SI model sold outright with no core charge.It fits almost all General Motors engines from the years 1965-1985 and many of the later model engines also.Output at idle(600 engine rpm) is 65 Amps. Full output of 110 Amps is achieved at 1200 engine rpms.12 Volt - 110 Amps - 2 Inch mounting foot with 5/16 Threaded Adjusting Ear