HKS M45XL & M40XL Spark Plugs (SET OF 4)

$ 159.99



HKS M45XL M40XL Spark Plugs


  • 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 & anti-carbon build-up.
  • Sold as (4) pack


Features & Specs:

  • 0.6mm Iridium Alloy Center Electrode: Iridium Alloy Center Electrode reduces voltage requirement as well as improving 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 longevity of the outer electrode
  • Thermal Edge: 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 insulator and the base of the outer electrode) to help prevent carbon buildup

*M Series is recommended for reliable ignition, durability and anti-ca

Important Note: This item is not neccesarily vehicle specific. It is compatible with a wide range of applications and is therefore displayed on our site regardless of your vehicle selection. Please review the specifications and verify compatibility prior to placing your order.


There are no reviews yet.

Be the first to review “HKS M45XL & M40XL Spark Plugs (SET OF 4)”

Your email address will not be published. Required fields are marked *