The sparkplug wire set also called high tension leads transfer high voltage pulses to ignite the air and fuel mixture for a combustion in the engine. High performance wires can withstand extreme heat and voltages therefore enabling the engine to run at its maximum potential power consistently without dropping performance for long periods of time. Compatible with the Following: 2005-2007 Rainier V8 2006-2007 CTS V8 2007-2012 Escalade 2007-2009 Avalanche 2010-2012 Camaro 2007-2009 Cheyenne 2500 2009-2012 Colorado 2005-2012 Corvette 2008-2012 Express 1500 2008-2012 Express 2500 2008-2012 Express 3500 2009-2011 Express 4500 2006-2009 Impala 2006-2007 Monte Carlo 2007-2012 Suburban 1500 2007-2012 Suburban 2500 2007-2012 Silverado 1500 2007-2009 Silverado 2500 2007-2009 Silverado 3500 2007-2012 Silverado 2500 HD 2007-2012 Silverado 3500 HD 2007 Silverado 3500 Classic 2005-2006 SSR 2006-2009 Trailblazer 2007-2012 Tahoe 2009-2011 Canyon 2005-2009 Envoy 2008-2012 Savana 1500 2008-2012 Savana 2500 2008-2012 Savana 3500 2007-2012 Sierra 1500 2007-2012 Sierra 2500 HD 2007-2012 Sierra 3500 HD Replaces part number: 9748RR, 19297032, 97093, CH7883, 6718161, 118079, 3162, 51436, 89018056, 88894395, 89018058 This is a compatible replacement part manufactured by AA Ignition. This high performance spark plug wire set is NOT a genuine OEM part. Vehicles and their associated vehicle models, engine and part numbers are only used in this listing to identify the vehicles this spark plug wire set fits.