Fits 1970-1981 GM F-Bodies;Fits 1975-1979 GM X-Bodies;Manufactured from heavy-duty 1.5-inch and 1.525-inch, 0.095-inch wall DOM tubing;Laser-cut, CNC-formed steel plate braces;Greaseable, internally fluted Delrin bushings;Preassembled with new ball joints and polyurethane bump stops;Eliminates lower A-arm deflection;Non-adjustable;Lighter than stock A-arms;Improves steering feel and response for normal and performance driving;Available in red or black hammertone powder coat for long lasting good looks;3-4 hour installation time;Proudly designed in the USA!;Proudly made in the USA!