【Fitment】Replacement for Mariner 2009-2011, G8 2008-2009, GTO 2004-2006, Sierra 3500 HD 2007-2019, B2300 2001-2009, Milan 2010-2011, B2500 1998-2001, B2300 1994-1997, Silverado 2500 HD Classic 2007-2007, Savana 1500 2003-2014, SS 2014-2017, STS 2005-2006, B3000 2001-2007, Mustang 1991-1993, Caprice 2011-2017, SRX 2004-2006, SSR 2003-2006, Grand Prix 2005-2008, Suburban 2500 2000-2013, Monte Carlo 2006-2007, Sierra 1500 HD 2001-2003
【Faster Starts】The spark plugs can realize the center electrode pole refinement and concentrates spark energy, providing better ignitibility for vehicles and smoother environment for engine, no worry for misfire.