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

If you select the catted S58 Downpipes

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

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

potentially needing replacement

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