Description
NGK SILZKBR8F8S Laser Iridium Spark Plug – Flex Fuel E85
Specifically engineered for high-performance and flex-fuel applications, the NGK SILZKBR8F8S is the ultimate spark plug for tuned S55 engines. Optimized for E85, this laser-iridium plug delivers precise combustion, improved throttle response, and exceptional durability even under high boost and high-load conditions. Perfect for performance builds and track-ready BMWs.
Key Features:
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NGK Part Number: SILZKBR8F8S
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Flex Fuel (E85) compatible – ideal for high-octane or ethanol blends
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Laser-welded iridium center electrode and platinum ground electrode for long life and consistent spark
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Heat range: 8, M12 × 1.25 thread, ~27.5 mm reach
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Exceptional performance on tuned S55 engines – smoother combustion, faster throttle response, and reliable ignition under extreme conditions