DBA DBA52808.1V2 5000 Series HD Brake Disc Ring 345mm x 30mm

The DBA DBA52808.1V2 is a 5000 Series HD replacement brake disc ring designed as the cast iron outer ring component of DBA's two-piece composite brake rotor system. This is a direct replacement ring for use with existing DBA 5000 Series aluminum hats, allowing drivers to refresh their brake rotors without replacing the entire assembly.

5000 Series HD Design:

• Smooth OE-style rotor finish — ideal for drivers seeking 5000 Series performance without slots, cross-drilling, or dimpled surfaces
• High-carbon cast iron construction — engineered for superior thermal performance and extended service life
• Two-piece composite compatibility — pairs with aerospace-grade T6061-T6 aluminum hats, secured by National Aerospace Standards (NAS) bolts and crimp nuts
• Reduced unsprung weight — the aluminum hat design allows for uniform radial disc expansion through the cast iron ring
• Improved heat management — the aluminum hat reduces heat transfer from the disc to the hub
• Thermal Stability Profiling (TSP) — DBA's proprietary process subjects XG-150 grey iron to controlled heat cycles to relieve internal stresses, maximize thermal stability, and reduce metal fatigue
• Thermo-Graphic Heat Paint (TGHP) — heat-sensitive paint markings permanently change color at specific temperature thresholds, providing a clear visual indicator of peak braking temperatures and rotor wear status

The 5000 Series HD disc ring shares all performance technology found in DBA's 4000 Series rotors, with the added benefits of weight savings and enhanced thermal management from the two-piece construction. DBA recommends the 5000 Series for high-performance street vehicles, track day events, club racing, and rally applications.