*SOLD BY SINGLES NOT 4 PACK

Product Features: World's smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion Patented 360-degree laser welding assembly process U-groove and taper cut ground electrode to maximize flame propagation. Withstands temperatures greater than 4000 Fahrenheit Burnished nickel plating for high temperature endurance and superior corrosion resistance Wide range of part numbers for thousands of applications, including classic and collector cars Iridium Power Superior Performance: Designed for maximum performance under extreme conditions, this spark plug delivers more horsepower, faster and easier starts, and fewer misfires under heavy loads. Enhanced Fuel Efficiency: The advanced iridium technology of the DENSO Iridium Power spark plug contributes to better fuel efficiency, making it an economical choice for your vehicle. Low Voltage Requirement: This spark plug requires 5,000 less volts to fire compared to conventional spark plugs, ensuring reliable ignition with lower energy consumption.