Disc Brakes Australia is an Australian manufacturer, designer and global marketer of aftermarket and OE-replacement brake rotors and drums, brake pads and shoes, brake cylinders, calipers, brake hoses and fluids, sensors and other ancillary items.

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.

4000 Series HD part numbers are not denoted by any part number suffix.

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, DBA's metallurgy can handle the increased stress and heat generated under intense braking applications, time and time again.

Featuring DBA's 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).

Please click on the product category below and use the dropdown menu to search for the appropriate product for you 

These Discs are sold individually - not as pairs

We appreciate there are many options available from DBA and you may not see the appropriate disc for you application. Please get in touch with us if you cannot see what you need, we will be able to source this for you very easily - sales@racebrakes.co.nz or 0800 BRAKES