4000 SERIES disc brake rotors are a direct replacement single piece brake rotor, designed for drivers seeking upgraded performance braking above and beyond standard OE levels.
Cast from high carbon alloyed iron and undergoing Thermal Stability Profiling, DBAs metallurgy can handle the increased stress and heat generated under intense braking applications, time and time again.
Featuring DBAs Kangaroo Paw ventilation that implements a series of 144 diamond and teardrop patterned pillars, DBA achieves up to a 30% increase in surface area and 20% improvement in cooling efficiency (as compared to a traditional straight vane design).
4000 SERIES HD variant features a smooth OE style rotor finish, popular for drivers looking for the benefits of a 4000 Series rotor but requiring an OE style look, such as controlled race divisions.
- Features a smooth OE style rotor finish
- Bolt Circle Diameter 114.3mm
- Bolt Hole Quantity 5
- Center Bore Diameter 68mm
- Discard Thickness 28mm
- Height 53.8mm
- Nominal Thickness 30mm
- Outside Diameter 324mm
- Position Front
- All DBA Rotors are sold per rotor
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