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Eaton Posi Differential 30 Spline 1.50in Axle Shaft Diameter 4.10 & Down Ratio Rear 10.5in

Take control of your vehicle's traction with the Eaton Posi limited-slip differential. This high-performance differential prevents wheel slip before it starts, ensuring maximum grip and stability on the road or track.

  • Tunable via various spring packs for customized performance
  • Pyrolytic carbon clutch disc technology for smooth engagement
  • Precision-forged gears for added strength and durability
  • Rebuildable design for extended lifespan

Ideal for muscle cars, hot rods, and mild off-road vehicles, the Eaton Posi differential is the perfect solution for drivers seeking improved traction and control.

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Chevrolet Astro 1985 Base
Chevrolet Astro 1985 CL
Chevrolet Astro 1985 CS
Chevrolet Astro 1986 Base
Chevrolet Astro 1986 CL
Chevrolet Astro 1986 CS
Chevrolet Astro 1987 Base
Chevrolet Astro 1987 CL
Chevrolet Astro 1987 CS
Chevrolet Astro 1987 LT
Chevrolet Astro 1988 Base
Chevrolet Astro 1988 CL
Chevrolet Astro 1988 CS
Chevrolet Astro 1988 LT
Chevrolet Astro 1989 Base
Chevrolet Astro 1989 CL
Chevrolet Astro 1989 CS
Chevrolet Astro 1989 LT
Chevrolet Astro 1990 Base
Chevrolet Astro 1990 CL
Chevrolet Astro 1990 CS
Chevrolet Astro 1990 LT
Chevrolet Astro 1991 Base
Chevrolet Astro 1991 CL
Chevrolet Astro 1991 CS
Chevrolet Astro 1991 LT
Chevrolet Astro 1992 Base
Chevrolet Astro 1992 CL
Chevrolet Astro 1992 CS
Chevrolet Astro 1992 LT
Chevrolet Astro 1993 Base
Chevrolet Astro 1993 CL
Chevrolet Astro 1993 CS
Chevrolet Astro 1993 LT
Chevrolet Astro 1994 Base
Chevrolet Astro 1994 CL
Chevrolet Astro 1994 CS
Chevrolet Astro 1994 LT
Chevrolet Astro 1995 Base
Chevrolet Astro 1995 CL
Chevrolet Astro 1995 CS
Chevrolet Astro 1995 LT
Chevrolet Astro 1996 Base
Chevrolet Astro 1996 LS
Chevrolet Astro 1996 LT
Chevrolet Astro 1997 Base
Chevrolet Astro 1997 LS
Chevrolet Astro 1997 LT
Chevrolet Astro 1998 Base
Chevrolet Astro 1998 LS
Chevrolet Astro 1998 LT
Chevrolet Astro 1999 Base
Chevrolet Astro 1999 LS
Chevrolet Astro 1999 LT
Chevrolet Astro 2000 Base
Chevrolet Astro 2000 LS
Chevrolet Astro 2000 LT
Chevrolet Astro 2001 Base
Chevrolet Astro 2001 LS
Chevrolet Astro 2001 LT
Chevrolet Astro 2002 Base
Chevrolet Astro 2002 LS
Chevrolet Astro 2002 LT
Chevrolet Astro 2003 Base
Chevrolet Astro 2003 LS
Chevrolet Astro 2003 LT
Chevrolet Astro 2004 Base
Chevrolet Astro 2004 LS
Chevrolet Astro 2004 LT
Chevrolet Astro 2005 Base
Chevrolet Astro 2005 LS
Chevrolet Astro 2005 LT
Chevrolet Avalanche 2500 2002 Base
Chevrolet Avalanche 2500 2003 Base
Chevrolet Avalanche 2500 2004 Base
Chevrolet Avalanche 2500 2005 LS
Chevrolet Avalanche 2500 2005 LT
Chevrolet Avalanche 2500 2006 LS
Chevrolet Avalanche 2500 2006 LT
Chevrolet C20 Suburban 1973 Base
Chevrolet C20 Suburban 1974 Base
Chevrolet C20 Suburban 1975 Custom Deluxe
Chevrolet C20 Suburban 1975 Scottsdale
Chevrolet C20 Suburban 1975 Silverado
Chevrolet C20 Suburban 1976 Custom Deluxe
Chevrolet C20 Suburban 1976 Scottsdale
Chevrolet C20 Suburban 1976 Silverado
Chevrolet C20 Suburban 1977 Custom Deluxe
Chevrolet C20 Suburban 1977 Scottsdale
Chevrolet C20 Suburban 1977 Silverado
Chevrolet C20 Suburban 1978 Custom Deluxe
Chevrolet C20 Suburban 1978 Scottsdale
Chevrolet C20 Suburban 1979 Custom Deluxe
Chevrolet C20 Suburban 1979 Scottsdale
Chevrolet C20 Suburban 1979 Silverado
Chevrolet C20 Suburban 1980 Custom Deluxe
Chevrolet C20 Suburban 1980 Scottsdale
Chevrolet C20 Suburban 1980 Silverado
Chevrolet C20 Suburban 1981 Custom
Chevrolet C20 Suburban 1981 Deluxe
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