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NGK
NGK 4286 CR8EIA-9 Spark Plug
NGK 4286 CR8EIA-9 Spark Plug
Regular price
$15.73 USD
Regular price
Sale price
$15.73 USD
📦
Special Order — ships in 2–3 weeks
Shipping calculated at checkout.
Quantity
Universal fit
This part is not machine-specific — it fits by size, thread, or bolt pattern rather than by year, make and model. Check the specification against your machine before ordering.
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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, reach out and we’ll gladly confirm fitment for you. Email sales@jkloffroad.com, call or text 579-509-2791.
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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