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 GM 18.5 inch with 28 Spline
• Made from 9310 steel for added strength
• Replaces the spiders in a standard carrier case

1 year warranty against Manufacturer defects

• Fits GM 18.5 Inch with 28 spline axles
• 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: 70
• Grade Type: Performance

• GM 8.5 inch.
• w/ 10 Bolt Cover
• 28 Spline
• Spartan Locker
• Installs into standard open carrier case

102 1973-1975 Buick Apollo (Rear)

• 1971-1989 Buick Electra (Rear)
• 1973-1987 Buick Regal (Rear)
• 1975-1978 Buick Riviera (Rear)
• 1970-1979 Buick Skylark (Rear)
• 1973 Chevrolet Chevelle (Rear)
• 1970-1972 Chevrolet Bel Air (Rear)
• 1987-1994 Chevrolet Blazer (Rear, Front)
• 1977-1986 Chevrolet K5 Blazer (Front, Rear)
• 1979-1986 Chevrolet C10 (Rear)
• 1979-1986 Chevrolet C10 Suburban (Rear)
• 1988-1990 Chevrolet C1500 (Rear)
• 1970-1981 Chevrolet Camaro (Rear)
• 1970-1996 Chevrolet Caprice (Rear)
• 1971-1976 Chevrolet El Camino (Rear)
• 1979-1989 Chevrolet G10 (Rear)
• 1975-1989 Chevrolet G20 (Rear)
• 1971-1985 Chevrolet Impala (Rear)
• 1977-1986 Chevrolet K10 (Front, Rear)
• 1977-1986 Chevrolet K10 Suburban (Front, Rear)
• 1988-1991 Chevrolet K1500 (Front, Rear)
• 1977-1986 Chevrolet K20 (Front)
• 1977-1986 Chevrolet K20 Suburban (Front)
• 1988-1991 Chevrolet K2500 (Front)
• 1973-1983 Chevrolet Malibu (Rear)
• 1973-1978 Chevrolet Monte Carlo (Rear)
• 1970-1979 Chevrolet Nova (Rear)
• 1987 Chevrolet R10 (Rear)
• 1987-1988 Chevrolet R10 Suburban (Rear)
• 1989-1991 Chevrolet R1500 Suburban (Rear)
• 1987 Chevrolet V10 (Rear, Front)
• 1987-1988 Chevrolet V10 Suburban (Rear, Front)
• 1989-1991 Chevrolet V1500 Suburban (Front, Rear)
• 1987 Chevrolet V20 (Front)
• 1987-1988 Chevrolet V20 Suburban (Front)
• 1989-1991 Chevrolet V2500 Suburban (Front)
• 1979-1990 GMC C1500 (Rear)
• 1979-1986 GMC C1500 Suburban (Rear)
• 1979-1991 GMC K1500 (Front, Rear)
• 1979-1986 GMC K1500 Suburban (Rear, Front)
• 1979-1991 GMC K2500 (Front)
• 1979-1986 GMC K2500 Suburban (Front)
• 1987-1991 GMC R1500 Suburban (Rear)
• 1987-1991 GMC V1500 Suburban (Rear, Front)
• 1987-1991 GMC V2500 Suburban (Front)
• 1979-1988 GMC G1500 (Rear)
• 1978 GMC G25 (Rear)
• 1979-1988 GMC G2500 (Rear)
• 1977-1978 GMC K15 (Front)
• 1977-1978 GMC K15 Suburban (Front)
• 1977-1978 GMC K25 (Front)
• 1977-1978 GMC K25 Suburban (Front)
• 1987 GMC R1500 (Rear)
• 1994-1998 GMC Sonoma (Rear)
• 1987 GMC V1500 (Rear,...