The NGK BR9EIX is an iridium spark plug that is designed to fit a variety of engines across different makes and models. It features a fine wire center electrode and a tapered cut ground electrode that provides superior ignitability and durability. The iridium alloy used in the construction of this spark plug allows for increased durability, improved throttle response, and enhanced fuel efficiency. The NGK BR9EIX is suitable for high-performance applications and is commonly used in motorsports.
Best spark plug in the market, iridium is always better than others. Engine response is better than before, more refinement. People says it's lifespan is 40-50000km. I will change it 35000km. Instantly change your stock plugs if those aren't iridium.
Amazing difference. Huge shoutout to race dynamics for providing such products and support.
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LRL for me is now the most trusted with amazing after sales service. Not going anywhere now I found my website.