Quality reproduction of the original pitman arm designed for various GM models. Manufactured to exact factory specifications. Each assembly features heat treated components and forging and precision machining tolerances. Replacing this component improves steering response; reduces wander and vibration. Assembly includes: (1) Pitman Arm (1) Dust Seal (1) Castle Nut (1) Cotter Pin (1) Grease Fitting.Product SpecificationsStud Dia. Small End Of Taper: 0.576Sector Shaft Dia.: 1.25Sector Shaft Spline Large Inner Diameter: 1.141Length Center to Center: 5