HKS M45XL Spark Plugs

HKS M45XL high-performance spark plugs, set of 4. Designed for Hyundai N 2.0T applications and suitable for tuned or modified vehicles that require stronger spark plug performance and better reliability under higher load and heat. Helps support consistent ignition performance during spirited driving and high-load conditions, especially with tuning, turbo upgrades, and fuel system modifications. Installation should be done by a qualified technician. Please make sure the product is compatible with your setup before ordering.