The 170-4-1271-1 coupling shaft yoke is part of the SPL170 series, designed to provide exceptional strength and reliability in heavy-duty applications. It features a spline count of 46 with a spline diameter of 2.390 inches, ensuring a robust connection in demanding driveline systems. The hub diameter measures 2.879 inches, and the through hole is 2.750 inches, facilitating straightforward installation. With a centerline to end measurement of 5.590 inches, this high-strength (HR) yoke is engineered for optimal performance under high-torque conditions.