Pitman Arm Steering Pitman Arm Castle Nut Included:Yes Center Link End Attachment Diameter:M12 X 1.25 Center Link End Attachment Pitch:12 Color:Black End 1 Attachment Type:Barbed End 2 Attachment Type:Threaded Finish:Coated Length:155 mm Lubrication Type:Sealed Material:Steel Mounting Hardware Included:Yes Package Contents:Pitman Arm, Castle Nut, Cotter Pin, Zerk Fitting Spline Quantity:32 Steering Shaft Diameter:32.1 mm