1976 GMC Pick-up Truck Axle Shaft Assembly K15 - 4WD - Dana 44 - Front Axle Kit - 4340 Chromoly - 30 Spline inner axles, 19 Spline outer stub axles, and Spicer U-Joints - Front guaranteed to replace your current 1976 GMC Pick-up Truck Axle Shaft Assembly K15 - 4WD - Dana 44 - Front Axle Kit - 4340 Chromoly - 30 Spline inner axles, 19 Spline outer stub axles, and Spicer U-Joints - Front. 1976 GMC Pick-up Truck Axle Shaft Assembly comes new OEM 1976 GMC Pick-up Truck Axle Shaft Assembly aftermarket new 1976 GMC Pick-up Truck Axle Shaft Assembly of remanufactured 1976 GMC Pick-up Truck Axle Shaft Assembly K15 - 4WD - Dana 44 - Front Axle Kit - 4340 Chromoly - 30 Spline inner axles, 19 Spline outer stub axles, and Spicer U-Joints - Front.