Outfit your semi truck to be Ready for the Road Ahead with a secure driveshaft connection, with the Neapco 3.125" 1310 Series Driveshaft Flange Yoke. To ensure a driveshaft can transfer its rotational torque, this replacement piece acts as the connection point between either the transmission, transfer case, or shift differential. Fashioned with a multipurpose design to fit most driveline applications. FleetPride is your First Click in Heavy Duty .