HKS M45IL, M45XL High Performance Spark Plugs for Kia, Hyundai, Genesis Choose your plug:(6-Pack) HKS 50003-M45IL allowing you to start enjoying

allowing you to start enjoying the benefits immediately

it ensures maximum airflow while maintaining easy serviceability

and VALET/low boost mode

Safe & Efficient PerformanceAccording to listings

Improved airflow

HKS M45IL, M45XL High Performance Spark Plugs for Kia, Hyundai, Genesis Choose your plug:(6-Pack) HKS 50003-M45IL allowing you to start enjoyingHKS 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