Product Details: Outfit your semi to be Ready for the Road Aheadâ„¢ with an efficient transfer of torque in the drivetrain, with the Spicer SPL250 Series 44-Spline Straight Round Hole Steel Differential End Yoke. By utilizing a Y-shaped design, this replacement device acts as a connection point between drivetrain components, while accommodating for angular misalignment. Built with top-quality materials to withstand the rigors of everyday wear and tear.