Update your semi truck with , with the Neapco 2.31" x 5.31" NPL250/SPL250 Series Yoke Shaft that ensures you're Ready for the Road Ahead. With a sophisticated design, this replacement piece is able to act at the connection point between the driveshaft and the differential / axle. Crafted with durable components to withstand daily working conditions. FleetPride is your First Click in Heavy Duty.