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The DBA 5000 Series replacement ring is a two-piece composite rotor ring that pairs high-carbon cast-iron rings with aerospace-grade aluminum hats (T6061-T6) for reduced unsprung weight and improved radial disc expansion. Assembled with NAS bolts and crimp nuts, DBA offers reusable hats and replacement rings. This ring fits the front of 2016–2018 Audi A8 4.0L with 380mm front rotors for street and track use.
DBA 16-18 Audi A8 (w/380mm Front Rotor) 4.0L Front 5000 Series Replacement Ring
