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NGK Iridium IX spark plugs (box of 4, DCPR8EIX) are engineered for performance applications, offering improved ignitability, anti‑fouling and throttle response. A tapered cut ground electrode enhances starting and idling, while the fine iridium center electrode is noted as significantly harder than platinum for increased durability. These plugs target better acceleration, fuel efficiency and long service life in higher‑demand engines.
NGK Iridium IX Spark Plug Box of 4 (DCPR8EIX SOLID)
