1964-72 GM A body, , , , , 1967-69 F-Body / and 1968-74 X-Body, - Front Sway Bar Collars 2pc. Silver Zinc. These are the collars that hold the front sway bar in place. They hold the rubber bushings that go around the bar. This is the same collar that is used on all sway bars but the bushing changes depending on the size for the bar.