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The HKS Super Fire spark plug is a single replacement for the 2010 Hyundai Genesis Coupe 3.8L M‑Series engine, specified at heat range 8. It provides the core ignition function expected from an OEM‑style plug and is offered individually for maintenance or selective replacement. The listing identifies this part for M‑Series Genesis Coupe engines where a heat range 8 plug is required.
HKS 10 Hyundai Genesis Coupe 3.8L M-Series Spark Plugs (Heat Range 8) - Single
