





NGK
NGK 4286 CR8EIA-9 SPARK PLUG
In stock · stock as of Sep 3, 2026
Shipping calculated at checkout
30-day returns on unused parts
Details
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
Specs
- Vehicle
- Offroad, Street
- Weight Lb
- 0.59
- Shipping Class
- standard


