Pitman Arm Steering Pitman Arm Castle Nut Included:Yes Center Link End Attachment Diameter:12 mm Center Link End Attachment Pitch:1.25 Color:Gray End 1 Attachment Type:Spline End 2 Attachment Type:Taper Finish:Coated Length:127 mm Lubrication Type:Sealed Material:Steel Mounting Hardware Included:Yes Package Contents:Pitman Arm, Castle Nut, Cotter Pin Spline Quantity:38 Steering Shaft Diameter:24 mm