Ensure your classic Mercury or Mariner outboard delivers dependable performance with this 10-pack of Quicksilver Spark Plugs. Designed as a direct replacement for NGK BR6S, these plugs feature trivalent metal plating for anti-corrosion and a pure alumina silicate ceramic insulator for superior strength. Replacing all plugs at once ensures uniform combustion and peak power output.
- Direct replacement for engines requiring NGK BR6S
- Fits a wide range of vintage Mercury/Mariner 2-cycle outboards (6hp-70hp)
- Trivalent metal plating provides superior anti-seizing properties
- Copper core aids in efficient heat removal for stable operation
- Includes 10 high-quality spark plugs for complete service and spares