NGK V-Power Spark Plugs (3.8L)

NGK V-Power Spark Plugs (6-pack) NGK v-power plugs have a copper core. Performance and improved ignitability over standard Spark Plugs. Original equipment manufacturer and racer approved. Copper core plugs are recommended for a 3.8l supercharged and non-supercharged vehicles Lowers ignition system voltage requirements Tried and true copper core design elements ideal for Supercharged engines V-power conductor controls flame formation and propagation.  Greater ignitability and performance over conventional spark plugs Trivalent Metal Plating has superior anti-corrosion and anti-seizing properties Increased fuel economy and lower emissions Highly durable against electrical and chemical wear Good performance spark plug NGK V-Power Spark Plugs fit the following vehicles: 2007-2011 Jeep Wrangler JK 3.8 PLEASE NOTE: SPARK PLUGS DO NOT HAVE A WARRANTY.  Pro Tips: Check Spark plug gap! Never install a spark plug without first checking gap and carefully adjusting if necessary. (these plugs