Iridium for Spark Plugs Engine Tune Up Ignition Kit - 5 Piece Set for 2004-2012 for Hummer, for Isuzu, for Canyon, for Colorado, H3, for H3T

Iridium for Spark Plugs Enhance Engine Performance and Fuel Efficiency Precisely Designed for 2004-2012 for Hummer, for Isuzu, for Canyon, for Colorado, H3 and for H3T Models 5-Piece Kit Contains All the Necessary for Spark Plugs for a Complete Engine Tune-Up 16mm/5/8 Inch Hex Size for Easy and Secure Installation Long-Lasting Iridium Technology for Improved Engine Power and Durability Custom Bundle:No Fitment Type:Direct Replacement Type:Spark Plug Set 2004 2005 2006 2007 2008 2009 2010 2011 2012 for Chevrolet for GMC, for Hummer for Isuzu for Canyon for Colorado H3 for H3T for i-350 for i-370 19185438, 41-105 41-108 41-109 41-118 41-990 41103 41107 41834 9617, 9691 9901 XP5263 1119A7-8J00 1119A78J00000 12598004, 812571164-0 812598004-0 ASPXP5263 E3.66 QSP5 SP1021