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The DBA 5000 Series replacement ring for 2004 Pontiac GTO front applications restores two-piece rotor performance with a high-carbon cast-iron ring that mates to DBA's aerospace-grade T6061‑T6 aluminum hat. This NAS-bolted composite design reduces unsprung weight and improves heat management versus one-piece rotors. Rings are sold separately so you can reuse 5000 Series hats for high‑performance street, track day and rally use.
DBA 2004 Pontiac GTO Front 5000 Series Replacement Ring
