Eaton ELocker4 Differential Dana 70 35 Spline 4.10 & Down Ratio

The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, drivers can go from open to 100-percent locked. A second flip of the switch deactivates the unit to resume normal driving. The direct acting mechanism activates in .14 second to provide 100% instant axle lock, and remains locked in both forward and reverse.This Part Fits: Year Make Model Submodel 1985-1994 Chevrolet Astro Base 1985-1994 Chevrolet Astro CL 1985-1994 Chevrolet Astro CS 1987-1994 Chevrolet Astro LT 1983 Chevrolet G10 Base 1975-1994 Chevrolet G10 Beauville 1981-1984,1986-1987 Chevrolet G10 Bonaventure 1975-1994 Chevrolet G10 Chevy Van 1975-1994 Chevrolet G10 Sportvan 1973-1974 Chevrolet G10 Van Base 1973-1974 Chevrolet G10 Van Sportvan 1975-1994 Chevrolet G20 Beauville 1983-1984 Chevrolet G20 Bonaventure 1975-1994 Chevrolet G20 Chevy Van 1978-1981 Chevrolet G20 Nomad 1975-1994 Chevrolet G20 Sportvan