DBA's Street Series rotors feature: Kangaroo Paw ventilation-144 diamond and tear drop pillar ventilation system increases surface area resulting in greater heat dissipation This results in increased braking effectiveness and reduced brake fade, Direct replacement suitability, CBN -Cubic Boron Nitride machined turned provides lower Disc Thickness Variation and parallelism resulting in less occurrence of brake shudder, Moisture proof corrosion protection packaging. Cast from XG-150 high carbon alloyed iron and undergoing Thermal Stability Profiling. DBA's metallurgy is able to handle the increased stress and heat generated under intense braking application time and time again.. 4000 SERIES T3 is the ultimate in direct replacement single piece performance brake rotors Featuring all the benefits of the 4000 Series plus DBA?s patented world renowned T3 bi directional slot design.. DBA 03-10 Ford F-250 Super Duty Front 4000 Series Slotted Rotor. 4000 Series T3 Slotted Brake Disc. Disc Brakes Australia Brake Disc. Front 4000 Series T3 Brake Rotor. DBA 4000 Series T3 Brake Rotor. Disc Brake Rotor. Brake Rotor. Brake Disc

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