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KW H.A.S. height‑adjustable spring kit for 2018+ Audi S4 (B9) sedan without EDC lets you change ride height after installation using the KW adjuster. The kit uses vehicle‑specific chrome‑silicon springs matched to OE dampers so driver assistance and adaptive suspension features remain operational. It includes application‑specific bump stops and dust protection and allows millimeter‑precise corner height tuning with a limited lifetime warranty.
KW H.A.S. 18+ Audi S4 (B9) Sedan w/o EDC - 50mm
