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Description:

• 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 (1) plug or a (4) pack. Pick from drop-down menu
• Compare our pricing to others who sell these plugs. We are happy to offer them cheaper, than anywhere else found in the US.

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 product is not necessarily vehicle specific. Spark plugs are compatible with a wide range of different applications and therefore they are displayed on our site regardless of your vehicle type. Please review the specifications and verify vehicle compatibility prior to placing your order with us. Please Note: These spark plugs are considered off-road racing plugs and do not come with a warranty. Any warranty claims or issues must be handled directly with the manufacturer. Please be aware of this prior to ordering, as we are unable to offer replacements or process warranty requests for this item