1964-77 GM A-body, 1978- G-body, 1970-81 F-body, 1968-79 X-body Front Sway Bar Bracket Collars & 1 1/4" Bushings, Heavy Duty. Used on all cars with 1 1/4" and larger front sway bar. These are the bushings that hold the front sway bar in place. The rubber bushings that go around the bar. The same collar that is used on all sway bars but the bushing changes depending on the size for the bar. These are exact to NOS.