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NGK N2238 TR5 Spark Plug


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, Tapered Spark Plug Seat Style, 14mm Thread Pitch

  • Correct spark plug for GM 602, 604, and CT525 racing crate engines
  • Also Works well in 4.8, 5.3, 5.7, 6.0, and 6.2 liter LS Gen III and Gen IV engines for stock and mildly modified street engines
  • Features a 14mm thread and .708" reach with a 5/8" hex head
  • Tip is made out of a nickel alloy material and has heat range of 5
  • Core is made out of copper and projected insulator

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