Champion® Premium Double Copper / NI125 plugs utilise the latest Suppression, Ceramic & Metal Alloy technology. With Fired In Suppressor Seal (FISS) the plug can be used as a sensor coupled to modern O.B.D. (On Board Diagnostic) systems.

Improved performance and service life:
    • Champion® Premium Double Copper spark plugs combine the latest alloys with double copper.
    • They use the latest Suppression, Ceramic & Metal Alloy technology.
    • Nickel 125 alloy replaces the copper core ground electrode in the latest plugs.
    • Fired construction.