Firestone Coil‑Rite rear air helper spring kit for VW Passat Wagon and Jetta fits inside existing coil springs to create a variable spring rate so you can adjust ride height and firmness by inflating the air helper springs. Durable polyurethane construction supports 500–1,000 lbs per set. The kit includes supports, hardware, air line and inflation valves with no drilling required to help maintain level stance and improve braking and steering balance.
Firestone Coil-Rite Air Helper Spring Kit Rear VW Passat Wagon / Jetta (W237604175)