Idler Arm Steering Idler Arm Arm Attachment Type:Mounting Hole Arm Stud Thread Diameter:Not Applicable Bracket Hole Quantity:3 Bracket Stud Thread Diameter:12 mm Castle Nut Included:No Color:Black Finish:Coated Grade Type:Regular Length:129 mm Lubrication Type:Not Applicable Material:Steel Mount Hole Diameter:13 mm Mounting Hardware Included:No Package Contents:Idler Arm