Richmond 3.91 Ratio Ring and Pinion 10 Spline Pinion 8.750" Ring Gear 489 Case - Mopar 8.75" 3552024-156- M tolerances and consistency

tolerances and consistency

to minimize weight without compromising strength

It is 10" deep

Popular gaskets and gasket sets for most 1955 to 1985 SB Chevy engines

Richmond 3.91 Ratio Ring and Pinion 10 Spline Pinion 8.750" Ring Gear 489 Case - Mopar 8.75" 3552024-156- M tolerances and consistencyMotive 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