Hotchkis Sport Suspension 1104 1964-1972 GM A-Body Tubular Lower Control Arms. Install the Geometry Corrected Hotchkis Tubular Lower A-Arms on your 64-72 GM A-Body including Chevelle El Camino GTO and 442 and gain vastly increased handling and control. These TIG-welded bolt-on control arms offer ride height adjustment for ultimate performance and a great look regardless of engine and transmission combinations. Smooth operating Delrin bushings allow the control arms to move through their travel easily. Finished in gloss black powder coat the arms are ready to install and are complete with ball joints bump stops ride height shims polyurethane coil spring locators and Delrin bushings. Exceptional handling performance when combined with the Hotchkis Tubular Upper A-Arms. Features: 100% TIG-welded 1.5 in. tubular steel construction. CNC machined inset spring cup. Precision aluminum ride height adjustment shims. Polyurethane coil spring isolators. Easy to lubricate Delrin bushings. Lower ball joint installed. Laser cut Hotchkis logo. Gloss black powder coat finish. Includes Rod End style end links. Benefits: CAD designed and analyzed by FEA software for ultimate strength. Increased structural rigidity due to CNC machined inset spring cup. Aluminum shims allow for .25 in. to .50 in. ride height adjustment. Additional shims available separately. Delrin bushings allow smooth operation with minimal deflection through travel range. Want to learn more about A-Arms? Visit our FAQ at www.hotchkis.net