The 4804-301 is an OE GM pinion yoke from the 1480 series, designed to fit 10.5″ and 11.5″ 14 Bolt differentials. This model features a dampener and includes a speedy sleeve. It has a spline diameter of 1.590 inches with a 30 spline count, and a hub diameter of 2.370 inches. The through hole measures 1.630 inches, and the center-to-end distance is 3.900 inches. Compatible with models including the Sierra, Yukon, Silverado, Avalanche, Tahoe, Suburban, and Escalade from 2001 to 2010, this yoke requires the special GM strap kit 4870-20. For a non-dampener version, refer to the 4804-30.