4340 Chrome-Moly Axle Kit For '79-'87 GM Truck & Blazer, GM 8.5, 30 Spline

USA Standard Gear 4340 Chrome-Moly Axle Kit For '79-'87 GM Truck & Blazer, GM 8.5, 30 Spline

Product Features:30 spline inner and 19 spline outerFits GM 8.5 in 1979-1987 GM 1/2 ton Includes inner and outer 4340 Chromoly axles and Spicer U-Joints