The 90-4-311-1 is a Spicer end yoke featuring a splined bore from the SPL90 series. This strap-style yoke has a major spline diameter of 2.024 inches and a spline count of 39, utilizing an involute spline type. The hub diameter measures 3.000 inches, and the length through the bore is 2.312 inches. The centerline of the joint to the end of the spline is 4.625 inches, while the universal joint retaining width is 4.957 inches. It accommodates a universal joint bearing diameter of 1.625 inches. This yoke is designed for use with the compatible U-joint kits SPI-SPL100-1X and requires a U-bolt or strap assembly SPI-90-70-28X. The bare yoke part number is SPI-90-4-311-1, and it includes a slinger part number SPI-231359 if applicable.