The NGK LFR7AIX 2309 Iridium spark plug is a high-quality, long-lasting spark plug specifically recommended for Subaru Impreza EJ25 engines (Impreza, Legacy, WRX, WRX STI). Featuring an iridium center electrode, it provides excellent electrical conductivity and extreme temperature resistance, ensuring stable ignition under all conditions.
Key Features:
Heat Range: 7
Spark Plug Wrench Size: 16 mm
Thread Length: 26.5 mm
Thread Size: M14 x 1.25
Electrode Gap: 0.7 mm
Spark Position: 3.0 mm
Type: Resistor spark plug, 5 kOhm resistance, iridium center electrode, flat seat
Fixed SAE connection
Advantages:
Reliable spark ignition in all conditions
High ignition intensity
Near 100% fuel and air utilization
Improved engine flexibility and performance
Stable engine operation in both cold and hot conditions
Compatibility:
Subaru Impreza EJ25 engines (Impreza, Legacy, WRX, WRX STI)
Fully interchangeable with Denso IKH22 spark plug
If you can’t find the spark plug you need in our webshop, contact us, and we will source it for you!