• Ngk 4286 CR8EIA-9 Spark Plug
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NGK

NGK 4286 CR8EIA-9 Spark Plug

NGK 4286 CR8EIA-9 Spark Plug

$15.73 USD
$15.73 USD
Sale Sold out
📦 Special Order — ships in 2–3 weeks
Shipping calculated at checkout.
Special Order — Ships in 3–4 WeeksWe order this part fresh from our distributor when you buy — typical turnaround is 3–4 weeks at most, often sooner. Questions on availability or timing? Email sales@jkloffroad.com.
Want to be sure it fits?Parts can vary by year, make, and model. If you already know it fits, go ahead and order with confidence — no call required. If you’d like a hand, feel free to reach out and our techs will gladly confirm fitment for you. Email sales@jkloffroad.com, call or text 385-506-5883.

NGK single iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines.

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage
  • Shell
  • Thread Diameter10mm
  • Thread Pitch1.0mm
  • Seat TypeGasket
  • Reach19mm (3/4")
  • Hex Size5/8" (16mm)
  • Terminal TypeThreaded Stud
  • Overall HeightISO
  • Gap.035" (0.9mm)
  • Center Electrode
  • MaterialIridium
  • TypeFine Wire
  • Size0.6mm
  • ProjectionNon-Projected
  • Ground Electrode
  • MaterialPlatinum
  • TypeStandard
  • ShapeTaper Cut
  • Quantity1
  • Specifications
  • ResistorYes
  • Resistor Value5k Ohm
  • Heat Range8
  • Torque SpecsCast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.
  • Part Information
  • BrandNGK/NTK
  • Warranty60 Days
  • Longevity100k Miles



⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov.

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