AM General Hummer Performance Spark Plugs
Trash your factory plugs and twist in a bit of supplemental power. By firing up fuel more effectively, AM General Hummer replacement spark plugs give you more power out of each and every injection. Super-conductive materials including iridium guarantee you can score a great spark every time. Our AM General Hummer Spark Plugs have 1 reviews, averaging 4.5 out of 5 stars.