Hotchkis Sport Suspension 2206R 1978-1996 GM B-Body Rear Sport Sway Bars Wagon. Improve cornering and straight line acceleration of your 78-96 GM B-Body Wagon by reducing body roll with a Hotchkis Performance Rear Sway Bars. Hotchkis bars feature lightweight hollow construction and include greasable polyurethane bushings end links and brackets. Hotchkis bars are powder coated for durability and tested and tuned to ensure the best performance possible. 1-7/16 in. Hollow Front 1-3/8 in. Hollow Rear. Note: Our rear bars is now hollow and utilizes a unique cnc machined mounting pad. Mounts like the factory bar and retains the same roll stiffness of our previous design. SKU 2206R Is designed to fit wagons only. Hotchkis Sport suspension does not recommend the use of the 2206R rear bar without doing the 2205F front bar upgrade.