Spark Plugs (I5 3.5L & 3.7L)
Happy Hummer
If you are in need of spark plugs I'd recommend the O.E.M units. Gap is typically set to .42-.43
06-07 Spark Plugs: AC Del 41-103
Tech, Spec's & Data
Happy Hummer
If you are in need of spark plugs I'd recommend the O.E.M units. Gap is typically set to .42-.43
06-07 Spark Plugs: AC Del 41-103
Tech, Spec's & Data