NGK Standard spark plugs (BPZ8HS-15) feature pure alumina silicate ceramic insulators for superior strength and heat transfer. The trivalent metal plating provides anti-corrosion and anti-seizing properties, making them ideal for the marine environment. These plugs come pre-gapped for your convenience to ensure optimal temperature operation and reduced emissions.
- Standard plugs pre-gapped to engine manufacturer specifications
- Trivalent metal plating for superior corrosion resistance and anti-seizing
- Pure alumina silicate ceramic insulator reduces breakage
- Triple seal design prevents combustion gas leakage
- Always replace all spark plugs at the same time for best results
