QA1's double-adjustable rear four-link kit with a narrowed 9-inch housing is engineered for 1968–1972 GM X‑Body applications. The R258-170N kit includes a triangulated four-link and narrowed 9" rear housing designed for a bolt-in fit, double-adjustable coilovers for fine tuning ride height and handling, and service-friendly features like a fill port, drain plug, vent port and jack plate. It aims to simplify installation and maintenance.
QA1 68-72 GM X-Body Double Adjustable Rear Four Link Kit w/ Narrowed 9in Housing