Fits 1964-1972 GM A-Bodies;Manufactured from heavy-duty 1.25-inch, 0.095-inch wall DOM steel tubing;Laser-cut, CNC-formed steel plate braces;Greaseable, internally-fluted Delrin bushings;Includes new ball joints;Eliminates upper A-arm deflection;Non-adjustable;Requires less shim stack for negative camber than OE arms;Two additional degrees of positive caster built into A-arms;Provides additional header clearance;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!