X1/9 Spark Plug - NGK Iridium - Set of 4

NGK upgrade spark plug for both 1300 and 1500 models. Use with 0.7mm gap for original specification ignition systems. This is a resistor type plug to lower radio frequency interference. Sold as a set of 4.

Designed specifically for the performance enthusiast. NGK Iridium IX^® offers extreme ignitability, improved throttle response and superior anti fouling.

• Fine Iridium tip ensures high durability and a consistently stable spark;
• Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines;
• Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties;
• Outstanding acceleration, high fuel efficiency and durability;
• Ultimate design, technology and performance;

Also applicable to Lancia Scorpion and Montecarlo S1 & S2; Lancia Beta Coupé, Spider & HPE. Use with 0.6mm gap for original specification ignition systems.