DBA Porsche 911/Boxster/Cayman Front Drilled & Slotted 4000 Series Rotor

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. Featuring DBA;s patented Kangaroo Paw ventilation that implements a series of 144 diamond and teardrop patterned pillars. DBA achieves up to a 30% increase in surface are and 20% improvement in cooling efficiency compared to traditional straight vane design.This Part Fits: Year Make Model Submodel 1997-2001 Porsche 911 Carrera 4 2002-2010 Porsche 911 Carrera 4S 2005-2010 Porsche 911 Carrera S 2004-2005,2007-2010 Porsche Boxster S 2004 Porsche Boxster S Special Edition 2006-2008 Porsche Cayman S