Motive Gear Performance Ring & Pinion - 3.90 Ratio - 30 Spline Pinion - 8.75 in - GM 9-Bolt Caster / Camber Gauge Adapter Available for 1-1/4 diameter valve

Available for 1-1/4 diameter valve cover holes

High output module delivers consistent dwell

there's our Super Flow model SF-840 eddy-current chassis dyno that can handle up to 1

1/8" NPT Port That Can Be Used for Oil Pressure Gauge or Turbo Oil Supply Port

7-1/2 x 8-1/2 x 10 in Legs

Motive Gear Performance Ring & Pinion - 3.90 Ratio - 30 Spline Pinion - 8.75 in - GM 9-Bolt Caster / Camber Gauge Adapter Available for 1-1/4 diameter valveMotive 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 winner's circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of