4000 Series XD
Description
The 4000 Series XD adds a non-directional cross-drilled and dimpled rotor design to the proven 4000 Series foundation, stepping up from the HD with additional cooling benefits and a more aggressive visual presence. Where traditional cross-drilled designs compromise structural integrity, DBA’s XD uses a combination of drilled holes and dimples to provide enhanced structural support above conventional cross-drill techniques, better aesthetics without the engineering compromise. Cooling benefits are improved above the HD specification, and the non-directional design maintains universal left/right fitment. Not recommended for heavy off-road or sustained track day use.
Specifications
|
Construction |
Single-piece, XG-150 high carbon alloyed iron |
|
Surface design |
Non-directional cross-drilled and dimpled (XD) |
|
Ventilation |
Kangaroo Paw — up to 20% better heat dissipation |
|
Surface finish |
CBN machine turned |
|
Heat treatment |
Thermal Stability Profiling (TSP) |
|
Temperature monitoring |
Thermo-Graphic Heat Paint (TGHP) |
|
Fitment |
Symmetrical — universal left/right |
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