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 inch and 9 inch with 28 Spline|31 Spline
• Made from 9310 steel for added strength
• Works with stock side gears in standard carrier case

1 year warranty against Manufacturer defects

Technical Notes:
This unit uses the factory side gears and is compatible with 2 and 4 pinion carriers

• Fits Ford 8 Inch and 9 Inch with 28 or 31 spline axles
• Made from 9310 steel for added strength
• Works with stock side gears in standard carrier case
• Mechanical locker delivers reliable 100 percent lockup

• AAP_UDA_4: 70
• Grade Type: Performance

• Ford 9 inch.
• w/ 28 or 31 Spline Axles
• Spartan Locker
• Installs into standard open carrier case
• uses stock side gears

1969-1974 Ford E-200 Econoline (Rear)

• 1957-1970 Ford Fairlane (Rear)
• 1960-1970 Ford Falcon (Rear)
• 1959-1967 Ford Galaxie (Rear)
• 1968-1974 Ford Galaxie 500 (Rear)
• 1966-1986 Ford Bronco (Rear)
• 1965-1979 Ford LTD (Rear)
• 1969-1983 Ford E-100 Econoline (Rear)
• 1979-1988 Ford E-150 Econoline (Rear)
• 1975-1980 Ford E-250 Econoline (Rear)
• 1957-1983 Ford F-100 (Rear)
• 1975-1987 Ford F-150 (Rear)
• 1972-1976 Ford Gran Torino (Rear)
• 1975-1979 Ford Granada (Rear)
• 1970-1977 Ford Maverick (Rear)
• 1965-1973 Ford Mustang (Rear)
• 1957-1979 Ford Ranchero (Rear)
• 1955-1979 Ford Thunderbird (Rear)
• 1968-1971 Ford Torino (Rear)
• 1968-1971 Lincoln Mark III (Rear)
• 1958-1979 Lincoln Continental (Rear)
• 1975-1980 Mercury Grand Marquis (Rear)
• 1964-1977 Mercury Comet (Rear)
• 1967-1979 Mercury Cougar (Rear)