NGK - Iridium IX Spark Plug - BKR6EIX - Set of 4 subframe they do create vague and

they do create vague and unresponsiveness in the vehicles drive train

NGK Laser Iridium spark plugs offer the best combination of performance and longevity

something which is usually seen in vehicles with upgrades

as seen below

- 2010 - 2014 Volkswagen Eos / GLI / GTI  (MkVI)

NGK - Iridium IX Spark Plug - BKR6EIX - Set of 4 subframe they do create vague andNGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high