Platinum firing pin and yttrium enhanced ground electrode provide 2X longer service life compared to standard copper plugs | Fine wire design provides better ignitability and performance | 360° continuous laser welding to fuse the platinum firing pin for increased durability | 4 year performance satisfaction guarantee | Original equipment, pre-gapped replacement delivering optimum fit, form and function for a wide range of vehicles including, but not limited to, the following: | BUICK: 2004-07 Rainier; CADILLAC: CT6, XT4; CHEVROLET: 2002-05 Cavalier, 2004-05 Classic, 2005-10 Cobalt, 2004-12 Colorado, 2006-11 HHR, 2004-12 Malibu, 2002-09 Trailblazer, 2002-06 Trailblazer EXT | GMC: 2004-12 Canyon, 2002-09 Envoy, 2002-06 Envoy XL, 2004-05 Envoy XUV; HUMMER: 2006-10 H3, 2009-10 H3T; ISUZU: 2003-08 Ascender, 2006 i-280, 2007-08 i-290, 2006 i-350, 2007-08 i-370 | PONTIAC: 2002-05 Grand Am, 2007-10 G5, 2006-10 G6, 2005-06 Pursuit, 2006-09 Solstice, 2002-05 Sunfire | SATURN: 2007-09 Aura, 2003-07 Ion, 2000 LS, 2000 LS1, 2000 LW1, 2001-03 LW200, 2001-02 L100, 2001-03 L200, 2004 L300, 2007-10 Sky, 2002-10 Vue