Fits 1967-1969 GM F-Bodies;Fits 1968-1974 GM X-Bodies;Manufactured from heavy-duty 1.625-inch, 0.120-inch wall DOM tubing;CNC-formed plate steel braces for extra strength;Greaseable, internally fluted Delrin bushings;Eliminates lower A-Arm deflection;Increases high-speed stability;Provides 2 additional degrees of positive caster;Preassembled with new polyurethane bump stops;Includes new upper ball joints;Improves geometry and increases lateral grip during cornering situations;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!