4 Piece Control Arm and Ball Joint Kit - This Only Fits Vehicles with 1 Piece Design Control Arms with Torsion Bar Suspension, It is Possible Your Vehicle Uses a 2 Piece Design Control Arm. (Please consult with your mechanic before purchase) Kit Includes: (1) Front Upper Left - Control Arm - Includes Bushings and Ball Joint, (1) Front Upper Right - Control Arm - Includes Bushings and Ball Joint, (2) Front Lower Ball Joints (with 1 Piece Design Control Arms Only) Compatible with or fits: 2001 - 2005 Ford Explorer Sport Trac Left and Right Control Arm Kit Review Description to Ensure Proper Fit Left and Right Control Arm Kit - Compatible with 2001 - 2005 Ford Explorer Sport TracPosition: Left and RightNote: 4 Piece Control Arm and Ball Joint Kit - This Only Fits Vehicles with 1 Piece Design Control Arms with Torsion Bar Suspension, It is Possible Your Vehicle Uses a 2 Piece Design Control Arm. (Please consult with your mechanic before purchase)Important Note: Kit Includes: (1) Front Upper Left - Control Arm - Includes Bushings and Ball Joint, (1) Front Upper Right - Control Arm - Includes Bushings and Ball Joint, (2) Front Lower Ball Joints (with 1 Piece Design Control Arms Only)Compatible With or Fits: - 2001 - 2005 Ford Explorer Sport Trac