Reinforce the structural integrity of your classic pony car with a high-quality 1966 Ford Mustang torque box, a crucial component designed to strengthen the chassis and improve overall rigidity. Located at the front frame rails, the torque box helps distribute the stress and torsional loads generated during acceleration, braking, and cornering—especially important if your Mustang has a V8 engine or sees spirited driving. Many original torque boxes suffer from rust or fatigue, compromising safety and performance. Our precision-engineered replacements are made from heavy-gauge steel and built to factory specifications for a perfect fit and long-lasting durability. Whether you're restoring or upgrading, a new torque box is essential for enhancing handling, safety, and structural strength in your 1966 Mustang.