Elevate your vehicle's ignition performance with the HKS M-Series Super Fire Racing Spark Plugs, specifically designed for high-performance applications. These iridium spark plugs are engineered to withstand advanced tuning levels, ensuring durability and optimal ignition even under the most demanding conditions.
These spark plugs feature an impressive melting point of 2454°C, significantly higher than traditional white gold plugs, allowing them to handle intense compression and minor knocking without degradation. The nickel coating on the housing further protects against premature wear, ensuring a longer lifespan.
Users have praised the HKS M-Series spark plugs for their reliability and performance improvements, especially in tuned vehicles. Many have noted a noticeable difference in ignition response and overall engine efficiency, making these plugs a favored choice for automotive enthusiasts.
Other Part Numbers:
HKS #hks50003-M35I
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.
HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.