PEM Differential Case - 6.83 Ratio - 31 Spline - Steel Spool - Ford 9 in Diverter Valve and a stand-alone AFR gauge

and a stand-alone AFR gauge is next to useless when accelerating hard as your concentration is likely to be (and should be

Removes seals quickly and easily

Nice size backlit numbers are easy to read even at night

XM Heavy Duty Shank Series

5/5 certification makes it approved for USA racing disciplines

PEM Differential Case - 6.83 Ratio - 31 Spline - Steel Spool - Ford 9 in Diverter Valve and a stand-alone AFR gaugeProduct 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.