Pitman Arm Steering Pitman Arm Castle Nut Included:Yes Center Link End Attachment Diameter:14 mm Color:Black End 1 Attachment Type:Spline End 2 Attachment Type:Male Taper Finish:Coated Length:133 mm Lubrication Type:Greasable Material:Steel Mounting Hardware Included:Yes Package Contents:Pitman Arm, Castle Nut, Cotter Pin, Zerk Fitting, Nut Spline Quantity:36 Steering Shaft Diameter:29 mm