Motive Gear Performance Ring and Pinion - 3.90 Ratio - 30 Spline Pinion - 8.875 in - GM 12-Bolt M59XX1 For both front of rear

For both front of rear drive vehicles is so equipped

Offered in three formulas

1978-1980 Chevrolet C10 Big Ten CID 305 Naturally Aspirated GAS

1981-1987 Dodge D250

11/16 in Press-On

Motive Gear Performance Ring and Pinion - 3.90 Ratio - 30 Spline Pinion - 8.875 in - GM 12-Bolt M59XX1 For both front of rearMotive 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