Description
NGK SILZKGR8B8S (94201) Laser Iridium Spark Plug
Upgrade your ignition system with a spark plug engineered for top-tier performance. The NGK SILZKGR8B8S (94201) delivers precision ignitability, exceptional durability and stable operation — whether you're running stock or tuned.
Key Features:
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NGK Part Number: 94201 / SILZKGR8B8S
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Heat range: 8 — designed for high‑performance, modern engines.
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Laser‑welded iridium centre electrode plus platinum disc on the ground electrode for long life and consistent spark.
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Integrated 5 kΩ resistor to suppress interference and keep ignition clean.
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Ideal for modern turbocharged and performance‐tuned engines, offers quicker throttle response, improved fuel efficiency and reduced risk of misfires.


