HKS Super Fire M-Series spark plugs for the Nissan RB20DE(T) represent the pinnacle of high-performance ignition technology. Designed with a 0.6mm Iridium alloy center electrode and a platinum-tipped outer electrode, these plugs combine durability and reliability with precision ignition performance. The M-Series excels in high-load and turbocharged applications, resisting carbon buildup while maintaining consistent spark delivery under extreme conditions. Their thermal design, including a short-type outer electrode and advanced heat dissipation features, ensures optimal combustion control even under high compression and elevated boost pressures. Unlike standard plugs, the HKS Iridium construction tolerates temperatures up to 2454°C, far surpassing conventional materials, while a nickel coating on the housing enhances longevity and prevents premature wear.
For turbocharged RB20DE(T) engines, selecting the correct heat range is crucial. A heat range 9 M-Series plug is ideal for heavily modified or high-boost setups, providing superior heat dissipation to prevent pre-ignition or knocking during intense acceleration. This colder design ensures maximum safety and performance under sustained high-load conditions. Using these plugs, drivers experience reliable cold starts, smooth idling, and responsive acceleration while protecting their engine from the risks of excessive combustion temperatures. HKS M-Series Super Fire spark plugs combine advanced materials, precise engineering, and optimized thermal characteristics, making them an essential upgrade for enthusiasts seeking performance, durability, and consistent ignition in both naturally aspirated and turbocharged Nissan RB20DE(T) engines.
The M-Series plugs are designed not only for durability but also for precision. Despite their heavy-duty construction, they support smooth startup, clean idle, and responsive throttle control, making them a trusted choice for RB26 builds that demand both protection and performance.
At Terra Firma Automotive, we provide genuine HKS Super Fire Spark Plugs to ensure your RB26DETT is equipped with the right components for ultimate reliability. For racing, track days, or extreme power builds, the range 9 M-Series plug is the proven solution for safeguarding performance at the highest levels.
- Sold As Each Individual Spark Plug
- Wrench Size Needed 16mm
- Thread Size 14×19mm
- For RB20 made after 09.1991
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