RMS Powergrip - Ford 8.8" Posi 31 Spline Rear Differential

The RMS Powergrip is capable of smooth traction while still providing aggressive performance. The Powergrip by Ron's Machining Service utilizes a nodular case with forged 4320 internals, as well as composite clutches for high durability, performance and long-life. All RMS rear differentials are rebuildable and many offer upgrades for racing applications.