Bosch Automotive (79003) Copper with Nickel Spark Plug - Single
- Heavy-duty nickel center electrode ensures longer life than standard copper plugs.
- Copper core provides better heat transfer for resistance to pre-ignition and fouling.
- Metal glass fused resistor maximizes interference suppression.
- Ribbed insulator design prevents misfire due to current leakage.
- Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize.