Prepare your semi to be Ready for the Road Aheadâ„¢, with the Spicer 1810 Series 16-Spline Straight Round Hole Steel Differential End Yoke that provides an efficient transfer of torque in the drivetrain. Due to its Y-shaped design, this replacement device is able to act as a connection point between drivetrain components, while accommodating for angular misalignment. Constructed with high-quality materials to withstand the rigors of everyday wear and tear.