PEM Differential Case - 6.83 Ratio - 31 Spline - Steel Spool - Ford 9 in Jump Starter Carry Case 0in internals for maximum flow

0in internals for maximum flow capabilities with the larger engine sizes found in today

pre-oiled cotton gauze filter for excellent filtration

machined and assembled in the USA

with an integral hydraulically-applied clutch operating low and reverse gears

Aluminum drain pan is handy when changing quick change gears

PEM Differential Case - 6.83 Ratio - 31 Spline - Steel Spool - Ford 9 in Jump Starter Carry Case 0in internals for maximum flowProduct Description: Differential Case Assembled 6. 83 Ratio 31 Spline Steel Spool Natural Ford 9 in Sold Individually PEM Racing (Performance Engineering and Manufacturing) offers a wide selection of quick change gear sets, ring and pinion gears, differential cases, and other rear end components.