Prepare your semi truck to be Ready for the Road Ahead™, with the Neapco 3" x 16-Spline Driveshaft Stub Shaft that provides optimized torque transfer. This replacement device helps transfer rotational power and torque from a vehicle's transmission to its drive axle. Built with high-quality materials to endure large amounts of torque. FleetPride is your First Click in Heavy Duty®.