Tuff Stuff Performance Alternator - 100 AMP - OEM/1-Wire - GM - 6-Groove Serpentine Pulley - Internal Regulator Trick Flow Allen Head Design

Allen Head Design

“Do-it-Yourselfers” and professional racers rely on STP® oil additives

FiTech 4-BBL Throttle Body

1999-2017 GMC Yukon

Tuff Stuff Performance Alternator - 100 AMP - OEM/1-Wire - GM - 6-Groove Serpentine Pulley - Internal Regulator Trick Flow Allen Head DesignAll 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