Bosch copper core spark plugs comprise a heavy-duty nickel center electrode that provides a longer lasting service life and increased performance compared to standard copper plugs.

• Bosch copper core spark plugs comprise a heavy-duty nickel center electrode for longer life
• Copper core provides better heat transfer
• Designed for excellent mechanical stability and corrosion protection
• Bosch copper core spark plugs are designed to reduce fuel consumption and exhaust emissions from your vehicle
• Provides reliable voltage for smooth engine performance