This Maverick X3 Control Arm Service Kit is for ARD's OEM Replacement Control Arms and comes with two FK-WSS14T (0.875") spherical bearings and retaining clips, eight Delrin bushings, four 4130 crush sleeves and four grease zerks. This kit will service a set of Lower or Upper Control Arms. You'll need two kits to service both Lowers and Uppers.