Fitment: For 2006-2007 Buick Rainier 5.3L 5328CC 325CID V8 OHV VIN Code “M” For 2004-2005 Cadillac Escalade 5.3L 5328CC 325CID V8 OHV For 2002-2006 Escalade 6.0L 5967CC 364CID V8 OHV For 2007-2009 Chevrolet Avalanche 5.3L 5328CC 325CID V8 FLEX OHV VIN Code “0 3” For 2007-2009 Chevrolet Avalanche 5.3L 5328CC 325CID V8 OHV VIN Code “J” For 2002-2006 Chevrolet Avalanche 1500 5.3L 5328CC 325CID V8 OHV VIN Code “T” For 2006-2007 Chevrolet Express 1500 5.3L 5328CC 325CID V8 OHV For 2003-2009 Chevrolet Express 2500 4.8L 294CID V8 OHV For 2003-2005 Chevrolet Express 2500 6.0L 5967CC 364CID V8 CNG OHV For 2003-2007 Chevrolet Express 2500 6.0L 5967CC 364CID V8 OHV VIN Code “U” For 2005-2009 Chevrolet Express 3500 4.8L 294CID V8 OHV for 2003-2005 Chevrolet Express 3500 6.0L 5967CC 364CID V8 CNG OHV for 2003-2007 Chevrolet Express 3500 6.0L 5967CC 364CID V8 OHV for 1999-2009 Chevrolet Silverado 1500 4.8L 294CID V8 OHV for 2004-2005 Chevrolet Silverado 1500 5.3L 5328CC 325CID V8 ELECTRIC/GAS OHV for 2002-2009 Chevrolet Silverado 1500 5.3L 5328CC 325CID V8 FLEX OHV for 1999-2009 Chevrolet Silverado 1500 5.3L 5328CC 325CID V8 OHV for 2003-2007 Chevrolet Silverado 1500 6.0L 5967CC 364CID V8 OHV for 2007-2007 Chevrolet Silverado 1500 Classic 5.3L 5328CC 325CID V8 FLEX OHV for 2007-2007 Chevrolet Silverado 1500 Classic 5.3L 5328CC 325CID V8 OHV for 2001-2006 Chevrolet Silverado 1500 HD 6.0L 5967CC 364CID V8 OHV for 2007-2007 Chevrolet Silverado 1500 HD Classic 6.0L 5967CC 364CIS V8 OHV for 2000-2000 Chevrolet Silverado 2500 5.3L 5328CC 325CID V8 OHV for 2002-2002 Chevrolet Silverado 2500 6.0L 5967CC 364CID V8 BI-FUEL OHV For 2002-2002 Chevrolet Silverado 2500 6.0L 5967CC 364CID V8 CNG OHV For 1999-2004 Chevrolet Silverado 2500 6.0L 5967CC 364CID V8 OHV For 2002-2002 Chevrolet Silverado 2500 HD 6.0L 5967CC 364CID V8 BI-FUEL OHV For 2002-2005 Chevrolet Silverado 2500 HD 6.0L 5967CC 364CID V8 CNG OHV For 2001-2006 Chevrolet Silverado 2500 HD 6.0L 5967CC 364CID V8 OHV for 2007-2007 Chevrolet Silverado 2500 HD Classic 6.0L 5967CC 364CID V8 OHV for 2003-2005 Chevrolet Silverado 3500 6.0L 5967CC 364CID V8 CNG OHV for 2001-2006 Chevrolet Silverado 3500 6.0L 5967CC 364CID V8 OHV for 2007-2007 Chevrolet Silverado 3500 6.0L 5967CC 364CID V8 OHV for 2002-2009 Chevrolet Suburban 1500 5.3L 5328CC 325CID V8 FLEX OHV for 2000-2009 Chevrolet Suburban 1500 5.3L 5328CC 325CID V8 OHV for 2006-2006 Chevrolet Suburban 1500 6.0L 5967CC 364CID V8 OHV for 2000-2006 Chevrolet Suburban 2500 6.0L 5967CC 364CID V8 OHV for 2000-2009 Chevrolet Tahoe 4.8L 294CID V8 OHV for 2002-2009 Chevrolet Tahoe 5.3L 5328CC 325CID V8 FLEX OHV for 2000-2009 Chevrolet Tahoe 5.3L 5328CC 325CID V8 OHV for 2006-2008 Chevrolet Trailblazer 5.3L 5328CC 325CID V8 OHV for Chevrolet Trailblazer 2006-2007 6.0L 5967CC 364CID V8 OHV for GMC Envoy 2006-2009 5.3L 5328CC 325CID V8 OHV for GMC Envoy 2004-2004 XL 5.3L 5328CC 325CID V8 OHV for GMC Savana 1500 5.3L 5328CC 325CID V8 OHV for GMC Savana 2003-2009 2500 4.8L 294CID V8 OHV for GMC Savana 2500 6.0L 5967CC 364CID V8 CNG OHV for 2003-2007 GMC Savana 2500 6.0L 5967CC 364CID V8 OHV For 2004-2009 GMC Savana 3500 4.8L 294CID V8 OHV For 2004-2005 GMC Savana 3500 6.0L 5967CC 364CID V8 CNG OHV For 2003-2007 GMC Savana 3500 6.0L 5967CC 364CID V8 OHV For 1999-2009 GMC Sierra 1500 4.8L 294CID V8 OHV For 2005-2005 GMC Sierra 1500 5.3L 5328CC 325CID V8 ELECTRIC/GAS OHV For 2006-2009 GMC Sierra 1500 5.3L 5328CC 325CID V8 FLEX OHV For 2000-2009 GMC Sierra 1500 5.3L 5328CC 325CID V8 OHV For 2006-2007 GMC Sierra 1500 6.0L 5967CC 364CID V8 OHV For 2007-2007 GMC Sierra 1500 Classic 5.3L 5328CC 325CID V8 OHV For 2007-2007 GMC Sierra 1500 Classic 6.0L 5967CC 364CID V8 OHV VIN “N” For 2001-2006 GMC Sierra 1500 HD 6.0L 5967CC 364CID V8 OHV for 2007-2007 GMC Sierra 1500 HD Classic 6.0L 5967CC 364CID V8 OHV for 2002-2002 GMC Sierra 2500 6.0L 5967CC 364CID V8 BI-FUEL OHV for 2002-2002 GMC Sierra 2500 6.0L 5967CC 364CID V8 CNG OHV for 1999-2004 GMC Sierra 2500 6.0L 5967CC 364CID V8 OHV for 2002-2002 GMC Sierra 2500 HD 6.0L 5967CC 364CID V8 BI-FUEL OHV for 2002-2005 GMC Sierra 2500 HD 6.0L 5967CC 364CID V8 CNG OHV For 2001-2006 GMC Sierra 2500 HD 6.0L 5967CC 364CID V8 OHV For 2007-2007 GMC Sierra 2500 HD Classic 6.0L 5967CC 364CID V8 OHV For 2003-2005 GMC Sierra 3500 6.0L 5967CC 364CID V8 CNG OHV For 2001-2006 GMC Sierra 3500 6.0L 5967CC 364CID V8 OHV For 2007-2007 GMC Sierra 3500 Classic 6.0L 5967CC 364CID V8 OHV for 2000-2007 GMC Yukon 4.8L 294CID V8 OHV for 2007-2009 GMC Yukon 5.3L 5328CC 325CID V8 FLEX OHV for 2001-2006 GMC Yukon 6.0L 5967CC 364CID V8 OHV for 2007-2009 GMC Yukon XL 1500 5.3L 5328CC 325CID V8 FLEX OHV for 2006-2009 GMC Yukon XL 1500 5.3L 5328CC 325CID V8 OHV for 2001-2006 GMC Yukon XL 1500 6.0L 5967CC 364CID V8 OHV for 2000-2006 GMC Yukon XL 2500 6.0L 5967CC 364CID V8 OHV for 2005-2006 Hummer H2 6.0L 5967CC 364CID V8 OHV for 2006-2007 Saab 9-7x 5.3L 5328CC 325CID V8 OHV Kit Includes: 1 * Intake Manifold Gasket