2x DBA 4000 series Slotted DISC BRAKE Rotor

2X DBA T3 4000 Slotted Brake Rotor DBA4979S FIT BMW 1991-2006 E46 /Z3/Z4

2x DBA T3 SLOT Brake Rotor - 4000 S  HEAT TREATED PRO DISCS

REF:

DBA4979SR
 DBA4979SL

DBA Front 4000 Series T3 Brake Rotor  DBA4979S

Diameter (mm): 286    
Axle: Front    
 Qty Required: 2

FITS

BMW 1991-2006 
BMW    3 Series E46
325 / 318 / 320 

BMW    Z4  E85 
BMW    Z3 E36 

Sharing all the benefits of the 4000 Series, DBA's 5000 Series rotors are a composite 2 piece direct replacement brake rotor. DBA uses only the highest quality materials to ensure optimal performance under the most strenuous circumstances, combining high carbon cast-iron rings with aerospace grade aluminum hats (T6061-T6), held together with National Aerospace Standards (NAS) bolts and crimp nuts. The 5000 Series share all of the performance technology featured in the 4000 Series, with the added benefits of further weight reduction and improved heat management via aluminum hats. The use of aerospace grade aluminum hats reduces the unsprung weight of the brake rotors, while allowing for uniform radial disc expansion through the cast iron rings, and reduced heat transfer from disc to hub via the aluminum hats. DBA offers both complete assemblies for first time replacement (hats and flat discs bolted together) along with replacement hats and flat disc rotors (rings). This allows drivers to re-use their DBA 5000 Series hats with DBA replacement flat discs (rings). DBA recommends the 5000 Series for high performance street vehicles, track day and club racing and rally applications. DBA 5000 Series T3 rotors share all the same leading technology as our 4000 Series, but in a two-piece rotor. Featuring an aluminum hat for lighter weight, better heat dissipation and lower maintenance costs make for the perfect race rotor. DBA's 5000 Series rotors feature: Aluminium hats (T6061-T6), National Aerospace Standard (NAS) bolts and crimp nuts, Replacement disc rotors available, XG-150 High Carbon Alloyed Iron, TSP (Thermal Stability Profiling), Thermo-graphic Paint markings (THGP), Direct replacement suitability, Moisture proof corrosion protection packaging

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