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NGK V-Power Spark Plugs (3.8L)

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NGK V-Power Spark Plugs (3.8L)NGK V-Power Spark Plugs (3.8L)NGK V-Power Spark Plugs (3.8L)
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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 forced induction application. 

  • 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


Pro Tips:

  • Check Spark plug gap! Never install a spark plug without first checking gap and carefully adjusting if necessary. (these plugs are NOT pre-gapped)
  • Supercharged vehicle - Use .032 gap.
  • Non-supercharged vehicle - Use factory specified gap. (see fsm)
  • Inspect plugs for hairline cracks and damage before installation. Plugs can be mishandled, dropped and damaged. Carefully inspect a plug's electrode, porcelain and ceramic portion. 
  • Apply Anti-seize compound to spark plug threads.
  • Apply dielectric grease to coil pack/spark plug wire boot.
  • Always tighten to manufacturer's recommended torque spec. 
  • Read your old spark plugs; Reading an older plug removed from an engine can play a crucial roll in engine health!
  • Check old Gap!: Checking gap on a old plug that's been removed is commonly overlooked! Recording gap size on a used plug will help the user determine how often plugs should be serviced. As plugs wear the gap will increase in size. 
  • Coloration: The color of the insulator nose and electrodes can indicate if a engine is operating smoothly or requires some adjustments. 
    Deposits: Examining deposits on the spark plug can reveal information about the fuel and oil consumption.

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