HKS M45IL/M45XL Spark Plugs for Hyundai, Kia and Genesis
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HKS 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 3.3L turbo platforms (Stinger, G70) while M45XL are for the 2L and 1.6L turbo 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 performance applications.
HKS® M-Series Super Fire Spark Plugs Feature
0.6mm Iridium Alloy Center Electrode
Iridium Alloy Center Electrode reduces voltage requirement as well as improves ignition performance and durability.
Outer Electrode with Platinum Chip
The Outer Electrode incorporates a square platinum chip which improves durability, and when combined with the iridium center electrode boosts ignition performance.
Short Type Outer Electrode (Anti-Vibration)
The outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves the longevity of the outer electrode.
After long idling or various combustion conditions, carbon buildup can occur causing misfires. The Thermal Edge of the ceramic insulator will discharge to help decrease carbon deposits.
Spark Support Gap
Discharges will occur in the Spark Support Gap (space between the tip of the insulator and the base of the outer electrode) to help prevent carbon buildup.