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HKS M-Series Super Fire Racing Spark Plugs JIS Type Heat Range 8 - 50003-M40

HKS M-Series Super Fire Racing Spark Plugs (50003-M40)

Upgrade your vehicle's ignition system with the HKS M-Series Super Fire Racing spark plugs, specifically designed for high-performance applications. These advanced iridium spark plugs are perfect for enthusiasts looking to enhance their tuning capabilities, particularly in vehicles like the Mazda RX-7 and other rotary engines.

Key Features

  • Durable Iridium Alloy: The 0.6mm center electrode made from iridium ensures long-lasting performance, withstanding extreme conditions.
  • Platinum Chip Outer Electrode: Enhances ignition efficiency while minimizing wear.
  • Short Type Outer Electrode: Designed to reduce vibration and improve stability.
  • Thermal Edge Technology: Helps manage heat effectively, preventing overheating.
  • Anti-Carbon Build-Up: Engineered to keep your spark plugs clean and functioning optimally.
  • Heat Range: Rated at 8, suitable for high-performance applications.
  • Thread Size: 14mm x 19mm, compatible with a variety of vehicles.
  • Wrench Size: 16mm for easy installation.

Fitment

These spark plugs are universally compatible, making them an excellent choice for various high-performance vehicles.

Customer Feedback

Users appreciate the reliability of the HKS M-Series spark plugs, noting significant improvements in ignition performance and reduced carbon build-up even under heavy loads. Many have reported smoother engine operation and enhanced throttle response, making these plugs a favorite among racing enthusiasts.

Important Notes

  • Images are for marketing purposes only; the actual product may vary.

Other Part Numbers:
HKS #hks50003-M40

Proposition 65

⚠ 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.

Warranty for Exhaust System

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.

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