Yep, stock 1980 4cyl gears with the 4 speed trans is 4.375. Probably the only good thing about having a truck that came with a 4 speed lol. I absolutely love them on the highway because I am not turning 3 grand at 65 mph but they dont suck as much as 4.10's. I did all my gear reduction in tcases so I get low gears on the trail and can keep my higher gears in the axles for the road. Works out great.