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Review on NGK 4996 Spark Plug: Unmatched Performance and Durability by Knate Scarpelli

Revainrating 5 out of 5

NGK 4996 IR spark plugs are good for spark plugs

Bought to replace a 2006 Corolla. They are the same as the Toyota OEM spark plugs that lasted 112,000 miles. Make sure you know the difference between laser iridium and the cheaper thin wire iridium connectors. They work the same, get the same MPG, but the thin wire IR has a shorter lifespan.

Pros
  • Part number: 4996
Cons
  • Minor issues