This 1968-1982 C3 Corvette Power Window Regulator Repair Gear from Southern Car Parts comes with complete instructions and mounting hardware. Rather than replacing the regulator gear, this will allow you to take care of the problem without removing the regulator from the door for installation. This Regulator Repair Gear is Stainless Steel. This Power Window Regulator Repair Gear is built here in America and made from the highest quality and top materials available.