- 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.
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