NEW 3.91 Gears Ring Pinion SURE GRIP POSI Mopar Dodge 742 Plymouth 8.75 Duster

  
NEW IN THE BOX 742 MOPAR 8 3/4 GEARS ARE. MOPAR 8 3/4 GEARS 3.91 RATIO USED. RING AND PINION IS NEW NO BOX DEAL!