QA1 78-88 GM G-Body Trailing Arms Lower AdjustableGet your wheel and tire package to fit with adjustable trailing arms that center your rear axle in the wheel well. Avoid common rubbing and fitment issues with 24" wheels. QA1 trailing arms provide up to 1" of adjustability. By lengthening or shortening the trailing arm, you are able to better position the wheel in the wheel opening. Parts come powder coated and ready to install with all necessary hardware. Easily bolt them up in your garage or work