These are weld-in torque boxes that replace your factory ones with multi hole options. These torque boxes allow you to fine tune your 4 link bar angles in your GM A Body to ensure that your anti-squat and instant center are where they need to be for your application. These are offered as a complete set, upper only, or lower only.
A-Body torque box kit fits most 1968-1972 A bodies. Comes with spacers for 3/4 rod ends. To ensure proper fit please see dimensions below.
* Top corner plate to plate - 42"
* Alignment hole to hole - 40.75"
* Bottom corner plate to plate - 40.375"
**Custom lengths available by request. Side plates would ship loose.