Motive Gear Performance Ring and Pinion - 3.91 Ratio - 29 Spline Pinion - 489 Case - Mopar 8.75 in H775CA3M tube design provides ample exhaust

tube design provides ample exhaust flow to let your 283-400 SB Chevy engine breathe easy

High Quality

Automatically mutes music when transmitting or receiving from radio

filler neck plates

Motive Gear Performance Ring and Pinion - 3.91 Ratio - 29 Spline Pinion - 489 Case - Mopar 8.75 in H775CA3M tube design provides ample exhaustMotive 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