Richmond Ring and Pinion Set - 4.57 Ford 9" Pro Gear 35 Spline 57450BK The purpose of this is

The purpose of this is to give you the option to move the Ladder to the top location and tighten the car up on entry

Brushed Finish - TF727 518& 61848RE Cummins

-6AN inlets

Installation hardware included

For extreme applications specially designed caps withstand high pressure

Richmond Ring and Pinion Set - 4.57 Ford 9" Pro Gear 35 Spline 57450BK The purpose of this isProduct Description: Ring and Pinion Pro Gear 4. 57 Ratio 35 Spline Pinion Big Pinion Ford 9 in Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of reliability and precision is available in their other driveline products, including differentials, racing Transmissions, driveshaft components, and more. Racecars around the world rely on Richmond premium gearsets and Transmissions; your hotrod will run better than