The ultimate in the evolution of spark plug technology and performance from the industry leader The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life New metal shell plating has enhanced anti-corrosion qualities
- Brand: NGK SPARK PLUGS
- Vendor part number: 4985
- Center Electrode Projection: Non-Projected
- Center Electrode Type: Fine Wire
- Electrical Resistance: 5k Ohms
- Electrode Tip Material: Iridium
- Ground Electrode Configuration: Single
- Ground Electrode Shape: Angled
- Hex Size: 16 mm (5/8")
- Model: Racing
- Product Name: Spark Plug
- Terminal Configuration: Solid Terminal
- Thread Reach: 19,1 mm (3/4")
- Thread Size: 14 mm
- Type: Resistor Type
- Units: Each