NGK Iridium Spark Plugs 2668 (BKR8EIX) - Package of 4 Spark Plugs

Please contact us for your specific fitment before placing your order. 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 Detailed Description 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.