These high-performance spark plugs operate based on the state-of-the-art surface air-gap principle. It is the first spark plug with four thin ground electrodes and a sharpened, silver-plated central electrode.

This technological superiority is also evident in the engine's performance, in all driving situations, over the entire life of the spark plug.

An Overview of the Benefits:

Noticeably improved acceleration
Significantly smoother engine running
Superior engine elasticity
Factory pre-gapped electrodes
Higher ignition reliability thanks to eight possible ignition gaps
Self-cleaning thanks to surface air-gap technology
Increased thermal range: up to three times as many cold starts possible as with conventional spark plugs
Increased environmental protection and protection for the catalytic converter