Improve Efficiency: Iridium spark plugs can effectively conduct current, with better ignition performance, can promote the internal combustion engine to produce high-voltage spark, improve fuel combustion efficiency, promote the normal operation of the engine, but also reduce fuel consumption, improve engine performance, improve fuel economy Stable Performance: Spark plug is made of high-quality iridium gold electrode and ceramic shell, spark plug wire is made of metal wire with good electrical conductivity and rubber protective sleeve, they are resistant to wear, corrosion, high temperature, stable property and long service life Improve Driving Experience: Iridium spark plugs & spark plug wires can effectively help you get rid of the car starting difficulties, easy to stall, low fuel combustion efficiency, increased fuel consumption and other troubles, so that your car always maintain excellent performance, to provide you with a more comfortable driving experience Compatible Models: Iridium spark plugs and spark plug wires fit for GMC Savana Sierra 1500 2500 3500 HD, fit for GMC Canyon Yukon XL Envoy, fit for Cadillac Escalade ESV EXT Pontiac G8, fit for Chevy Silverado Suburban Express 1500 2500 3500 HD, fit for Chevy Avalanche Tahoe Caprice Colorado Corvette, spark plug replace 41-110 41110 12680072 12621258 41-985 12609877 12571164, 8mm spark plug wires replace M8-4832248322 7831 483227831 Installation Note: Package includes 8 x iridium spark plugs and 8 x spark plug wires, before replacement, please pay attention to let the engine completely cool, while paying attention to clean the internal combustion engine do not let the dust fall, rapidfire spark plug screw 6~8 laps can not need to screw too tight ▪ 8 Pack Iridium Spark Plugs and Spark Plug Wires
Let your car start smoothly and drive safely!

▪ Compatible Models:
Fit for GMC Savana 1500 2008-2010
Fit for GMC Savana 2500 2008
Fit for GMC Savana 3500 2008
Fit for GMC Sierra 1500 2008-2013
Fit for GMC Sierra 2500 HD 2008-2011
Fit for GMC Sierra 3500 HD 2008-2011
Fit for GMC Canyon 2010-2011
Fit for GMC Yukon 2008-2011
Fit for GMC Yukon XL 1500 2008-2014
Fit for GMC Yukon XL 2500 2008-2013
Fit for GMC Envoy 2009
Fit for Cadillac Escalade ESV 2007-2014
Fit for Cadillac Escalade EXT 2007-2013
Fit for Pontiac G8 2009
Fit for Chevy Avalanche 2007-2014
Fit for Chevy Tahoe 2008-2014
Fit for Chevy Caprice 2011-2014
Fit for Chevy Colorado 2007-2012
Fit for Chevy Corvette 2007-2013
Fit for Chevy Express 1500 2007-2011
Fit for Chevy Express 2500 2007-2011
Fit for Chevy Express 3500 2007-2011
Fit for Chevy Silverado 1500 2007-2013
Fit for Chevy Silverado 2500 HD 2007-2014
Fit for Chevy Silverado 3500 HD 2007-2014
Fit for Chevy Suburban 1500 2007-2014
Fit for Chevy Suburban 2500 2007-2014

▪ Replacement Part Number:
Spark Plug Replace 41-110 41110 12680072 12621258 41-985 12609877 12571164
8mm Spark Plug Wire Replace M8-4832248322 7831 483227831