The NRG short race hub for 1998–2001 Audi A4 is a compact steering hub adapter designed to mount aftermarket wheels in racing-oriented interiors. This short hub option reduces the hub-to-wheel distance for a tighter wheel position and is intended for use where a race-style steering setup is required on the specified Audi A4 years.
NRG 98-01 Audi A4 Race Short Hub Short Hub