Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 20 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all foreign and domestic vehicle applications from 1930-present.

This Part Fits:

Year	Make	Model	Submodel
2003-2008	Chevrolet	Express 3500	Base
2003,2006-2008	Chevrolet	Express 3500	LS
2006-2008	Chevrolet	Express 3500	LT
2001-2005	Chevrolet	Silverado 3500	Base
2001-2006	Chevrolet	Silverado 3500	LS
2001-2006	Chevrolet	Silverado 3500	LT
2004,2006	Chevrolet	Silverado 3500	WT
2007-2010	Chevrolet	Silverado 3500 HD	LT
2007-2010	Chevrolet	Silverado 3500 HD	LTZ
2007-2010	Chevrolet	Silverado 3500 HD	WT
2003-2008	GMC	Savana 3500	Base
2006-2008	GMC	Savana 3500	LS
2006-2008	GMC	Savana 3500	LT
2003	GMC	Savana 3500	SLE
2002-2005	GMC	Sierra 3500	Base
2001-2002,2006	GMC	Sierra 3500	SL
2001-2006	GMC	Sierra 3500	SLE
2001-2006	GMC	Sierra 3500	SLT
2004-2006	GMC	Sierra 3500	WT
2007-2010	GMC	Sierra 3500 HD	SLE
2007-2010	GMC	Sierra 3500 HD	SLT
2007-2010	GMC	Sierra 3500 HD	WT