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 Ford 8.8 Inchwith 31 spline axles and 7/8 inch cross pin shaft
• Made from 9310 steel for added strength
• Replaces the spiders in a standard carrier case

1 year warranty against Manufacturer defects

• Fits Ford 8.8 Inch with 31 spline axles and 7/8 Inch cross pin shaft
• Made from 9310 steel for added strength
• Replaces the spiders in a standard carrier case
• Mechanical locker delivers reliable 100 percent lockup

• AAP_UDA_4: 65
• Grade Type: Performance
• Heat Treated: Yes
• Spline Quantity: 31

• Ford 8.8 inch.; w/ 10 Bolt Cover; 31 Spline; Spartan Locker
• Ford 8.8 inch.; w/ 10 Bolt Cover; 31 Spline; Spartan Locker;Installs into standard open carrier case

2001-2010 Ford Explorer Sport Trac (Rear)

• 1983-1996 Ford Bronco (Rear)
• 1979-1986 Ford LTD (Rear)
• 2003-2011 Ford Crown Victoria (Rear)
• 1983 Ford E-100 Econoline (Rear)
• 1983-2001 Ford E-150 Econoline (Rear)
• 2003-2014 Ford E-150 (Rear)
• 1983-1998 Ford E-250 Econoline (Rear)
• 1997-2001 Ford Expedition (Rear)
• 1991-2001 Ford Explorer (Rear)
• 1983-2014 Ford F-150 (Rear)
• 1979-1982 Ford Granada (Rear)
• 1994-2014 Ford Mustang (Rear)
• 1999-2011 Ford Ranger (Rear)
• 1987-1988 Ford Thunderbird (Rear)
• 2006-2008 Lincoln Mark LT (Rear)
• 2003-2005 Lincoln Aviator (Rear)
• 1979-1987 Lincoln Continental (Rear)
• 1980-1983 Lincoln Mark VI (Rear)
• 1998-2002 Lincoln Navigator (Rear)
• 2003-2011 Lincoln Town Car (Rear)
• 1979-1986 Mercury Capri (Rear)
• 2003-2011 Mercury Grand Marquis (Rear)
• 1979-1988 Mercury Cougar (Rear)
• 2003-2004 Mercury Marauder (Rear)
• 1997-2010 Mercury Mountaineer (Rear)