Tuff Stuff Performance Alternator - 100 AMP - 1-Wire - GM- 6-Groove Serpentine Pulley - Black 56-1421 100% Bolt-on product

100% Bolt-on product

LeMans 1981-1968

Volkswagen Air Cooled Boxer

5 Ecoboost

Pro-Team TIRELIEF Kit

Tuff Stuff Performance Alternator - 100 AMP - 1-Wire - GM- 6-Groove Serpentine Pulley - Black 56-1421 100% Bolt-on productAll Tuff Stuff alternators are hand built in Cleveland, Ohio and are tested to meet or exceed OEM specifications. All Tuff Stuff alternators are made from 100% new components and carry a one year limited warranty. Tuff Stuff has alternator applications for virtually all muscle cars, hot rods, customs and light trucks in just about every finish imaginable. Many enthusiasts prefer our clean, simple 1 wire alternator option which features a low idle cut