PEM Differential Case - 7.00 Ratio - 31 Spline - Steel Spool - Ford 9 in RS003C0113W This keeps the chassis springs

This keeps the chassis springs centered on the perch and prevents the ride height from suddenly changing

Control Arm Nut Plate

To trigger the MSD Ignition a maintenance-free magnetic pick-up is secured in the billet base of the distributor

Driver Side Head Mount

550" long pushrod set works perfectly with High Energy or Magnum rockers

PEM Differential Case - 7.00 Ratio - 31 Spline - Steel Spool - Ford 9 in RS003C0113W This keeps the chassis springsProduct Description: Differential Case Assembled 7. 00 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.