Universal 7127 GM 10SI V-Belt 100 Amp 3 Wire Internal Regulator Alternator [Chrome] The dual plane

The dual plane

The outer cases made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life and improved strength

stainless steel alloy and are carefully designed to increase gas flow for more power

valve stem seals

Speedmaster only offers planetary gear sets which provide superior torque output for modern high-output motors

Universal 7127 GM 10SI V-Belt 100 Amp 3 Wire Internal Regulator Alternator [Chrome] The dual planeIf you're in the market for a new GM alternator that can really deliver, let Speedmaster Speedmaster hook you up! They feature a sleek chrome finish with an aluminum housing and have a 100 amp capacity.