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DBA’s 5000 Series T3 slotted rotors are two‑piece direct replacements that combine high‑carbon cast‑iron rings with aerospace‑grade T6061‑T6 aluminum hats, joined with NAS bolts and crimp nuts. The design reduces unsprung weight, improves heat management and allows uniform thermal growth. DBA recommends the 5000 Series for high‑performance street driving, track days, club racing and rally applications where weight and heat control matter.
DBA AP Racing CP4542-142/143 362mm x 32mm T3 5000 Series Replacement Front Slotted Rotor
