HKS M45IL, M45XL High Performance Spark Plugs for Kia, Hyundai, Genesis Choose your plug:(6-Pack) HKS 50003-M45IL it ensures maximum airflow while

it ensures maximum airflow while maintaining easy serviceability

Note:  This product is not compatible with 4 door 328i and 335i vehicles

If you select the catted S58 Downpipes

potentially needing replacement

Each side of the ARM Intake is uniquely constructed

HKS M45IL, M45XL High Performance Spark Plugs for Kia, Hyundai, Genesis Choose your plug:(6-Pack) HKS 50003-M45IL it ensures maximum airflow whileHKS 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