New original Japanese NGK spark plugs set. There are 9 available. These are the car models they fit: Tahoe — models 2000 to 2014 (4.8 / 5.3 engine) Suburban — models 2000 to 2014 (5.3 / 6.0 engine) Silverado — models 1999 to 2013 (4.8 / 5.3 / 6.0 engine) Caprice — models 2000 to 2016 (5.7 / 6.0 V8 engine) Lumina SS — models 2000 to 2009 (V8 engine) Camaro — models 1998 to 2015 (V8 engine) Corvette — models 1997 to 2013 (LS1, LS2, LS3 engines) TrailBlazer — models 2003 to 2009 (5.3 V8 engine) Express Van — models 2003 to 2015 (V8 engine) GMC: Yukon / Denali — models 2000 to 2014 (4.8 / 5.3 / 6.0 / 6.2 engine) Sierra — models 1999 to 2013 (4.8 / 5.3 / 6.0 / 6.2 engine) Envoy — models 2005 to 2009 (5.3 V8 engine) Savana Van — models 2003 to 2015 (V8 engine) Cadillac: Escalade — models 2002 to 2014 (6.0 / 6.2 engine) Hummer: Hummer H2 — models 2003 to 2009 (6.0 / 6.2 engine) Hummer H3 Alpha — models 2008 to 2010 (5.3 V8 engine) Ford: Mustang — models 1996 to 2004 (3.8 / 3.9 V6 engine) Taurus — models 2000 to 2007 (3.0 Vulcan V6 engine) Windstar — models 1995 to 2003 (3.8 V6 engine)