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Review on πŸ”₯ Enhance Ignition Performance with 8 New NGK Iridium IX Spark Plugs TR7IX # 3690 by Daniel Paige

Revainrating 5 out of 5

Good forks. Made in Japan

Made in Japan These spark plugs have been recommended by several tuners for a modified LSA (CTS-V) engine. They are a temperature range cooler than factory Delco AC connectors. This is good for increasing thrust for sure.

Pros
  • Weight
Cons
  • Some small things