68 69 70 71 72 GM A-Body Rear Lower Control Arm Mount Bracket (Left Side Driver) (Used Original) Chevelle, Malibu, Cutlass, 442, GTO, Tempest, LeMans, Skylark, GS, Special, Grand Sport 1968 1969 1970 1971 1972. These brackets are welded to the frame in front of the rear tire and the lower rear control arm bolts into them.