ST 273100BJ Coilover Spring Kit AUDI A4 (B9); (B8, B81) FA 15-40 RA 20-45 ymm_15 Suitable for seat installation and

Suitable for seat installation and modification applications

Three-resonator layout for acoustically tuned sound without drone

Tested and Proven by CSF's Global Network of R&D Partners

Smooth braking response helps reduce wheel lock at end of braking zones

Classic design with Imitation Leather Black and Dinamica Red upholstery

ST 273100BJ Coilover Spring Kit AUDI A4 (B9); (B8, B81) FA 15-40 RA 20-45 ymm_15 Suitable for seat installation andST 273100BJ Height adjustable springs kit (lowering springs) The ST suspensions coil springs convert the OEM suspension into a height adjustable setup while retaining the factory dampers. Thanks to the ST threaded sleeves, the system is compatible with vehicles equipped with either welded or clipped spring perches on the original dampers. On applicable vehicles, the use of electronic damper control can also be retained. The springs are engineered with