Introduction A faulty ignition coil & spark plug may result in engine misfire, rough engine idle, decrease in power, poor fuel economy etc. Every component either matches or improves on the OE design to ensure fast & easy installation with superior performance & reliability, to provide superior cold-start performance & a smoother running engine. Application Compatible with compatible for Chevrolet Models: 2007-2013 Avalanche compatible for V8 5.3L 2007-2009 Avalanche compatible for V8 6.0L 2010-2015 compatible for Camaro V8 6.2L 201 1-2017 Caprice compatible for V8 6.0L 2009-2012 compatible for Colorado V8 5.3L 2005-2007 compatible for Corvette V8 6.0L 2008-2013 compatible for Corvette V8 6.2L 2006-2013 compatible for Corvette V8 7.0L 2008-2014 Express 1 500 compatible for V8 5.3L 2008-2017 Express 2500 compatible for V8 4.8L 2008-2020 Express 2500 compatible for V8 6.0L 2011-2014 Express 2500 compatible for V8 6.6L 2008-2017 Express 3500 compatible for V8 4.8L 2008-2020 Express 350...