If you're looking to boost your vehicle's ignition performance, the HKS M-Series Super Fire Racing spark plugs are an excellent choice. Designed specifically for high-performance applications, these iridium spark plugs are engineered to withstand advanced tuning and deliver exceptional durability.
The HKS M-Series spark plugs utilize a durable iridium alloy, which offers remarkable longevity compared to standard plugs. With a melting point of 2454°C, these plugs excel in high-compression environments, ensuring reliable ignition without the risk of deterioration. Plus, a nickel coating on the housing protects against premature wear, making them perfect for both street and track use.
These spark plugs are designed for universal fitment, making them compatible with a wide range of vehicles, particularly those that require high-performance ignition solutions.
Users have noted significant improvements in engine responsiveness and reduced misfires after installing the 50003-M35 plugs. Many have commented on the ease of installation and the noticeable performance boost during spirited driving or competitive racing.
Other Part Numbers:
HKS #hks50003-M35
⚠ 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.