QA1 Level 3 handling kit for 1968–1972 GM X-Body includes a narrowed 9-inch rear housing and full suspension components to convert a classic chassis for improved street and track performance. The complete system bundles MOD Series coil-over shocks, tubular control arms, triangulated four-link rear suspension, and lightweight front components to modernize handling and tunability. It’s a bolt-in solution that supports substantial power and updated drivability.
QA1 Performance 68-72 GM X-Body Level 3 Handling Kit w/ Narrowed 9in Housing