NGK Laser Iridium Spark Plug SILZKAR7B11 (4 Pack) for Subaru Outback 2.5L
NGK Laser Iridium spark plugs designed for 2.5L Subaru Outback engines. Trivalent plating, corrosion resistance, and improved heat transfer for reliable performance. Customers note a good fit and improved vehicle feel after installation
Highlights
- improved heat management
- reliable fit for subaru outback 2.5l
- robust sealing and anti-corrosion
Pros
- trivalent metal plating for corrosion resistance
- corrugated ribs prevent flashover
- high-strength ceramic insulator with good heat transfer
- copper core aids heat removal
- triple seals prevent leakage
Cons
- may require proper fitment confirmation for specific model years
Best For
Features
- Engine: H4 configuration with 2.5L/2498cc displacement
- Copper-core design aids heat removal and precise grounding
- Trivalent metal plating provides anti-corrosion and anti-seizing properties
- Corrugated ribs prevent flashover and feature a pure alumina silicate ceramic insulator
- Triple seals prevent leakage and come in a 4-pack