NGK (6418) BKR6EIX Iridium IX Spark Plug, Pack of 1
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Customer Review
Great deal on Iridium spark plugs!
I purchased 8 of these for my Audi S4 (2005.5) and they work great! Don't really notice a difference from stock but my original plugs needed replacement and these were a great deal at $6/each with shipping! Peace of mind! :)
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Great plugs
NGK Iridium plugs work great, car is performing very well with over 186k on original engine. I would buy this item again and from the same seller. Got items on time and in great shape.
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Very good - M54B25
My car originally came with the Bosch plugs, then tried the NGK lasers, then this. It works good (as it should), I don't really notice a (big) difference.On the butt dyno, it seems to run like my original Bosch. The NGK lasers seemed like they ran cold and my car down-shifted every time I pressed the pedal. With my original Bosch (and these new Iridiums) I mash the pedal and the motor will pull from the current gear it is in. It only downshifts when I really get on the pedal. Not sure if that means anything, but that's what I've noticed.
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Product Description
NGK iridium plugs represent the ultimate evolution of spark plug technology and performance. The iridium center electrode is both stronger and harder than platinum. This allows NGK engineers to design an ultra-fine (0.6mm)center electrode reducing the voltage requirement for spark. This allows for a brighter, stronger spark from your existing ignition system. The ground electrode has a tapered cut at the firing end which reduces quenching for better flame core growth and increased ignitability. The combination of fine wire center electrode and tapered cut ground will increase performance, improve acceleration, and fuel efficiency. Technical Specifications - Iridium IX Plug, 14mm Thread, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, ISO Length, Projected Tip, Fine Wire (0.6mm) Iridium Center Electrode, Tapered Cut Ground Electrode, .032" (0.8mm) Gap Top to learn more










Good plugs