Universal 7127 GM 10SI V-Belt 100 Amp 3 Wire Internal Regulator Alternator [Chrome] The outer cases made from

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

it has a square bore carb flange instead of a spread bore

equal-distribution layout produces great midrange torque without compromising top-end power

Universal 7127 GM 10SI V-Belt 100 Amp 3 Wire Internal Regulator Alternator [Chrome] The outer cases made fromIf 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.