*American-made spark plug
*High-conductivity copper nucleus and wide base insulator with special thermal bonding
*522 nickel alloy electrode
*Control heat, fight fouling and provide quick starts
*Sold Individually
*American-made spark plug
*High-conductivity copper nucleus and wide base insulator with special thermal bonding
*522 nickel alloy electrode
*Control heat, fight fouling and provide quick starts
*Sold Individually