Hotchkis Sport Suspension 1102 1964-1972 GM A-Body Tubular Upper Control Arms Stock Spindle. Install the Hotchkis Sport Suspension Geometry Corrected Tubular Upper 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 premium quality construction for ultimate performance and a great look. Smooth operating Delrin bushings in the 4130 billet cross shaft allow the a-arms to move through their travel easily. Finished in gloss black powder coat. The arms are ready to install and are complete with premium ball joints and polyurethane droop stops. Easy installation with no vehicle modifications required. For even greater handling improvements combine with the Hotchkis Performance Tubular Lower A-Arms. Features: Geometry corrected design. 100% TIG-welded tubular steel construction. CNC machined 4130 Chrome Molly offset billet cross shaft. FEA analyzed and precision CNC manufactured for superior durability exact fit and frame clearance. Special integrated polyurethane droop stops and easy to lubricate Delrin bushings. Premium upper ball joints. Gloss black powder coat finish. Only genuine Hotchkis arms have the H logo. Proudly made in the USA Benefits: Geometry corrected design increases caster and improves camber curve. Improves handling stability and steering response. Increased structural rigidity over stock due to TIG welding and laser cut support plates. Delrin bushings allow smooth operation with minimal deflection throughout travel range. Integrated droop stop for proper suspension travel. Want to learn more about A-Arms? Visit our FAQ at www.hotchkis.net