The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. The Spartan locker design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! Fits Dana Spicer 30 with 27 spline axles Made from 9310 steel for added strength Replaces the spiders in a standard carrier case 1 year warranty against Manufacturer defects Technical Notes: If purchasing this unit for a Non-Rubicon JK front, you will also need to purchase carrier case part number YC D706008 Features and Benefits: Fits Dana Spicer 30 with 27 spline axles Made from 9310 steel for added strength Replaces the spiders in a standard carrier case Mechanical locker delivers reliable 100 percent lockup Details: AAP_UDA_4: 70 Grade Type: Performance Fitment Notes: Dana 30; 27 Spline; Spartan Locker; Installs into standard open carrier case. Dana 30; 27 Spline; Spartan Locker; Installs into standard open carrier case; Requires early Dana 30 carrier for JK applications; Application Summary: 1990-1993 Volvo 240 (Rear) 1975-1984 Volvo 242 (Rear) 1975-1989 Volvo 245 (Rear) 1976-1981 Volvo 265 (Rear) 1970-1974 Volvo 142 (Rear) 1970-1974 Volvo 144 (Rear) 1970-1975 Volvo 164 (Rear) 1967-1973 Jeep Commando (Rear, Front) 1971-1983 Jeep CJ5 (Front, Rear) 1966-1975 Jeep CJ6 (Rear, Front) 1976-1986 Jeep CJ7 (Front) 1984-2001 Jeep Cherokee (Front) 1986-1992 Jeep Comanche (Front) (Drive: 4WD) 1993-1998 Jeep Grand Cherokee (Front) (Drive: 4WD) 1984-1993 Jeep Grand Wagoneer (Front) 1981-1986 Jeep Scrambler (Front) 1971-1973 Jeep Wagoneer (Front) 1987-2017 Jeep Wrangler (Front) (Drive: 4WD) 1986-1989 Ford Aerostar (Rear) 1966-1971 Ford Bronco (Front) 1980-1987 American Motors Eagle (Front) (Drive: 4WD) 1967-1971 International Scout (Front) 1971-1974 International Scout II (Front)