HKS | Super Fire Racing M45XL / M45iL - Hyundai / Kia / Genesis 1.6T / 2.0T / 3.3T *See Application*

HKS M-Series Super Fire Racing Spark Plugs – M45XL / M45iL

The HKS M-Series Super Fire Racing spark plugs are engineered for turbocharged performance engines that demand consistent ignition under extreme conditions. They deliver a stable spark, strong heat resistance, and efficient combustion at higher boost. Developed specifically for Hyundai, Kia, and Genesis turbo engines, they support 1.6T, 2.0T, and 2.5T inline-4 applications as well as the 3.3T twin-turbo V6. The M45XL variant covers 1.6L / 2.0L / 2.5L, while M45iL is intended for the 3.3L V6, helping maintain reliable performance.

KEY FEATURES / BENEFITS

• HKS Super Fire Racing spark plugs – M-Series
• Iridium center electrode for consistent ignition
• High heat resistance for turbocharged engines
• Helps reduce misfires and carbon buildup
• Designed for performance and modified engines
• Multiple variants to match engine requirements

PRODUCT VARIANTS

• 50003-M45XL – Hyundai / Kia / Genesis 1.6T, 2.0T, 2.5T (see compatibility)
• 50003-M45iL – Hyundai / Kia / Genesis 3.3T V6 (see compatibility)

(Always confirm exact fitment before installation.)

SPECIFICATIONS

• Brand: HKS
• Series: M-Series Super Fire Racing
• Type: High-performance iridium spark plugs
• Intended Use: turbocharged performance engines
• Variants: M45XL / M45iL
• Part Numbers: 50003-M45XL / 50003-M45iL

Gap note

These plugs often ship pre-gapped around 0.028" (0.71 mm); it is recommended to tighten the gap further around 0.022" (0.56 mm) for higher boost setups. (Adjust only if your application requires it and according to your tuner's recommendation.)

Note:

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