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Review on NGK DILFR5A 11D Laser Iridium Spark by Bobby Frazier

Revainrating 5 out of 5

Increased fuel consumption!

Significant improvement in fuel economy after replacing 8 old spark plugs of the same model. These new ones will pay for themselves in the next few thousand miles.

Pros
  • Weight: 0.12 lbs
Cons
  • Safety