Product Details: Prepare your semi truck to be Ready for the Road Aheadâ„¢, with the Spicer 3.75" 1310 Series Driveshaft Flange Yoke that provides a secure driveshaft connection. Due to its ability to act as the connection point between either the transmission, transfer case, or shift differential, this replacement piece ensures a driveshaft can transfer its rotational torque. Constructed with precise measurements to reduce the risk of vibration, noise, and other issues.