Motive Gear Master Differential Install Kit 7.500" Ring Gear GM 10 Bolt 1999-2014 - Kit 130902 Adjustable mechanical and vacuum spark

Adjustable mechanical and vacuum spark advance for easy setup and use

2-1/2 in Axle Tube

1969-1987 Chevrolet Blazer

O-Ring Boss (ORB) Port Plugs are the only way to safely and correctly block and seal unused ORB ports in Aeromotive pressure regulators and fuel rails

1986-1995 GMC C2500 Suburban

Motive Gear Master Differential Install Kit 7.500" Ring Gear GM 10 Bolt 1999-2014 - Kit 130902 Adjustable mechanical and vacuum sparkMotive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off road, check out Motive Gear. Motive Gear products can be found in the winners circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of