Product Details: Dana 60 Warn Premium locking hub kit 35 spline (internal) 55 spline (external) Positive detents to keeping the dial in position (this does not have the set screw on the dial) (1) kit does both sides of the axle If your Dana 60 is 30 spline you will need to upgrade to 35 spline stub shafts to run these Direct replacement for Ultimate Dana 60 front axles Warn 62672 Parts Included: (1) locking hub kit Fits: 1978 - 1979 Ford F-250 and F-350 with the Dana 60 front axle and upgraded 35 spline stub shafts 1985 - 1997 Ford F-350 with the Dana 60 front axle and upgraded 35 spline stub shaft 1999 - 2004 Ford Super Duty F-250 and F-350 with the Dana 50 or Dana 60 front axle and upgraded 35 spline stub shafts 1975 - 1993 Dodge with Dana 60 or Dana 61 front axle and upgraded 35 spline stub shafts 1977 - 1991 GM, Chevrolet, GMC with Dana 60 front axle and upgraded 35 spline stub shafts Brand: Warn Part Number: Dana Spicer 10005723 Warranty: 6 month warranty and case by case basis. Demand genuine Spicer. Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver. This product can be used as a component in Dana's Builder Axle program. Search the literature section for more details.