1992 Chevy S-10 rears

It might fit, you would just haveto measureit up where it mounts. Asfar as gear ratio, you'll have to check yours and the one you want to put in. You needto count the teeth on the gears. However, you will needtoreplace the porportioning valveand or the ABS unit for the newer truckdue to the disc brake vs drum brake setup onyour 92. The ABS unit may be different as well as it may be 4 wheel ABS whereas yours may have had 2 wheel ABS. That could mean different wiring and connections at teh ABS unit.