Fleece Performance 01-13 GM Duramax 6.6L Duramax CP3K (LBZ/LMM Based)

Designed to eliminate the factory fuel flow restriction that begins at 3000 RPM;Correlates to lost horsepower when you need it most;Cost effective upgrade;Fuel pressure regulator will need to be scaled appropriately when installed in a 2001-2005 (LB7 or LThis Part Fits: Year Make Model Submodel 2006-2010 Chevrolet Express 2500 Base 2006-2010 Chevrolet Express 3500 Base 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2010 Chevrolet Silverado 2500 HD LT 2007-2010 Chevrolet Silverado 2500 HD LTZ 2004,2006-2010 Chevrolet Silverado 2500 HD WT 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 2006-2010 GMC Savana 2500 Base 2006-2010 GMC Savana 3500 Base 2002-2005 GMC Sierra 2500 HD Base 2001-2002,2006 GMC Sierra 2500 HD SL 2001-2010 GMC Sierra 2500 HD SLE 2001-2010 GMC Sierra 2500 HD SLT 2003-2010 GMC Sierra 2500 HD WT 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