NGK 5899 Laser Iridium Spark Plug IZFR5J is engineered with performance enthusiasts in mind, offering a fine wire center electrode that ensures durability and consistent spark performance. The iridium alloy, with its exceptionally high melting point, is well-suited for today's advanced high-performance engines. These plugs also feature trivalent metal plating for superior anti-corrosion and anti-seizing properties, enhancing longevity and reliability. Corrugated ribs on the insulator prevent flashover, ensuring reliable ignition under all conditions. The pure alumina silicate ceramic insulator provides superior strength and effective heat transfer, while a copper core aids in heat dissipation to maintain optimal operating temperatures. Triple seals prevent leakage, further enhancing reliability. NGK 5899 Laser Iridium Spark Plug IZFR5J is the top choice for enthusiasts seeking both performance and durability in their spark plugs.
Part number: IZFR5J
Centre Electrode Material: | Iridium |
Seat Type: | Gasket |
Thread Diameter (mm): | 14 |
Thread Pitch (mm): | 1.25 |
Hex (mm): | 16 |
Reach (mm): | 19 |
Resistor / Non-Resistor: | Resistor |
Gap (mm): | 0.8 |