Control Arm Bush SET: FRONT 64-66 A body ROUND* This is for any of the 64 66 Models. GTO's, Chevelle, El Camino, LeMans, Cutlass, Skylark.. but for the 66 models check if you have ROUND or Oval Lower REAR bushes.. if they are OVAL .. choose the other alternate kit listed. These are ROUND.. all of them. The Rear LOWER is ROUND in this kit.. it's 1. 65" O. D. dia. ( otherwise you can have either oval front lower rears in 66 69 models only) Choose RED or BLACK Lubricate is supplied too for the the