NGK Iridium Spark Plugs 2668 (BKR8EIX)
- Preset Gap (In): 0.032 Inch
- Preset Gap (mm): 0.8mm
- Hex Size (In): 5/8 Inch
- Hex Size (mm): 16mm
- Seat: Gasket
- Thread Size: 14mm
- Tip Material: Iridium
- Approximate Resistor Value (Ohm): 5K Ohm
- Center Electrode Core Material: Copper
- Ground Configuration: Standard
- Ground Electrode Core Material: Nickel
- Ground Electrode Tip Design: Taper Cut
- Insulator Height (mm): 50.5mm
- Number Of Ground Electrodes: 1
- Heat Range: 8
- Resistor Plug: Yes
- Thread Diameter (In): 0.551 Inch
- Thread Reach (In): 3/4 Inch
- Thread Reach (mm): 19mm
- Type Of Resistor: Standard
Plug Number: BKR8EIX; B8X; NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling. The fine-wire iridium center electrode ensures high durability and a consistently stable spark. A special taper-cut ground electrode shape allows more area for faster flame expansion. Iridium alloy has an extremely high melting point, perfect for today's high-performance engines. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.