Energize your vehicle's performance with our premium 8-pack spark plugs wires and ignition coils Compatible with Chevy Silverado: 1999 - 2006 Silverado 1500 1999 - 2007 Silverado 2500 2001 - 2007 Silverado 3500 2007 Silverado 1500/2500/3500 Classic/HD Compatible with Chevy Tahoe: 2000 - 2006 Tahoe Compatible with Chevy Suburban: 2000 - 2006 Suburban 1500 2000 - 2006 Suburban 2500 Compatible with Chevy Avalanche: 2002 - 2006 Avalanche Compatible with Chevy Express: 2003 - 2006 Express 1500 2003 - 2005 Express 2500 2003 - 2004 Express 3500 2003 - 2004 Chevy SSR 2006 - 2006 Monte Carlo 2003 - 2004 Chevy Trailblazer 5.3L 6.0L Compatible with GMC Sierra: 1999 - 2006 Sierra 1500 1999 - 2007 Sierra 2500 2001 - 2007 Sierra 3500 Compatible with GMC Yukon: 2000 - 2006 Yukon 2000 - 2006 Yukon XL 1500 2000 - 2006 Yukon XL 2500 Compatible with GMC Savana: 2003 - 2005 Savana 1500 2003 - 2005 Savana 2500 2003 - 2005 Savana 3500 Compatible with GMC Others: 2002 - 2004 GMC Envoy 2003 - 2009 GMC C5500 Topkick Compatible with Others: 2002- 2005 Cadillac Escalade 2003 - 2005 Cadillac Escalade ESV 2003 - 2007 Hummer H2