The RB26DETT engine is legendary for its tuning potential, but pushing its performance means selecting components that can withstand extreme conditions. The HKS Super Fire Spark Plug M-Series, equivalent to NGK range 7, is engineered specifically for high-boost and heavily modified turbocharged applications. Designed with a durable iridium alloy center electrode and platinum-enhanced construction, these plugs deliver reliable ignition under intense cylinder pressures while resisting carbon build-up and premature wear.
For turbocharged engines like the RB26DETT, choosing the correct heat range is critical. While lower heat ranges are suited for stock or lightly boosted setups, a colder range 7 plug is necessary when boost levels and combustion temperatures rise. The colder design ensures efficient heat dissipation, minimizing the risk of detonation and pre-ignition that can damage pistons and valves under heavy load. This makes the M-Series plug an essential upgrade for enthusiasts seeking consistent power delivery and long-term reliability in their Skyline GT-R.
HKS developed the M-Series Super Fire plugs not only for durability but also for performance. With advanced electrode design, they support smooth cold starts, stable idling, and precise ignition response even in aggressive driving conditions. Unlike conventional plugs, the iridium alloy construction offers exceptional longevity while tolerating the extreme heat and vibration of high-performance engines.
At Terra Firma Automotive, we supply genuine HKS Super Fire Spark Plugs for RB26DETT owners who demand the best. Whether for spirited street driving or track-level performance, these plugs provide the ignition reliability and protection your RB26 deserves.
- Sold As Each Individual Spark Plug
- Wrench Size Needed 16mm
- Thread Size 14×19mm
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