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NGK Laser Iridium spark plugs (box of 4, SILKFR8A6) use iridium‑tipped center electrodes to deliver high ignitability and long life. Built for OE applications, they feature a fine‑wire iridium center and high‑grade alumina ceramic insulator with a copper core for heat control, plus platinum on the ground electrode where applicable. These plugs are positioned as OE‑equivalent replacements offering durability and stable spark performance.
NGK Laser Iridium Spark Plug Box of 4 (SILKFR8A6)
