New anti sway bar set for Datsun 510 sedan, 1968-73. (not wagon). 1" front and 3/4" rear. Includes all mounting hardware with poly bushings. ST Anti-Sway Bars Reduce vehicle body roll and increase the traction and gripping power of your tires with a set of ST Anti-Sway Bars. Precision engineered to provide the best performance possible, our cold formed solid steel design is powder coated for durability and comes complete with polyurethane bushings and all hardware needed for easy installation.