These NGK SILKFR8A6 Laser Iridium spark plugs are the stock-replacement plugs for 2022+ Subaru WRX. These are the plugs that come in the car from the factory.
Vehicle Fitment:
2022-2023 Subaru WRX 2.4L FA24
Specs:
Part Number: SILKFR8A6
Heat Range: 8
NGK Laser Iridium spark plugs provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
