Description
The HKS Rotary Applications M-Series Spark Plugs are engineered specifically for high-performance rotary engines, delivering reliable ignition and optimal combustion. Designed with precision and quality, these spark plugs feature a heat range of 10.5, ensuring effective heat dissipation and minimizing the risk of pre-ignition or fouling during intense driving conditions. Crafted by HKS, a trusted name in automotive performance, these plugs are suitable for a wide range of rotary engine applications and are built to withstand high temperatures and demanding environments.
The spark plugs are constructed with durable materials that promote consistent spark delivery and efficient combustion. Their design enhances engine responsiveness, improves throttle response, and contributes to overall engine efficiency. The Part Number 50003-M525RE ensures compatibility with specific rotary engine models, making installation straightforward for enthusiasts and professional technicians alike. These plugs are a vital component for maintaining optimal engine performance and longevity in high-performance applications.
Whether you’re tuning your rotary engine for racing or everyday driving, the HKS M-Series Spark Plugs provide the reliability and performance needed for demanding conditions. They are a regular stock item, ready to ship and incorporate into your maintenance or upgrade routine. Trust HKS to deliver quality ignition components that help you achieve your vehicle’s maximum potential while maintaining safety and efficiency.
Features:
- Designed specifically for rotary engines for optimal combustion
- Heat range of 10.5 for effective heat dissipation
- Constructed with durable materials for reliable spark delivery
- Engineered by HKS, a leader in automotive performance components
- Part number 50003-M525RE for easy identification and compatibility


















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