HKS M45IL, M45XL High Performance Spark Plugs for Kia, Hyundai, Genesis Choose your plug:(6-Pack) HKS 50003-M45IL If you select the catted

If you select the catted S58 Downpipes

allowing you to start enjoying the benefits immediately

A Detailed certificate of conformance is included with each kit giving you all flow data needed for optimal tuning

it ensures maximum airflow while maintaining easy serviceability

HKS M45IL, M45XL High Performance Spark Plugs for Kia, Hyundai, Genesis Choose your plug:(6-Pack) HKS 50003-M45IL If you select the cattedHKS M Series Super Fire Racing spark plugs are high performance Iridium plugs designed to handle advanced levels of tuning and provide Improved ignition performance, durability, and anti carbon build up. M45IL are for the 3. 3t platforms (Stinger, G70) while M45XL are for the 2. 0t, 2. 5t, and 1. 6t platforms. These plugs come pre gapped to 0. 028" from HKS which is suitable for use but we suggest closing the gap down to 0. 022" for maximum