R35 NGK Heat Range 10 Spark Plug (R2558E-10)

NGK Racing Series spark plug used in high horsepower R35 GTR applications running extreme boost and cylinder pressure.

What we use and recommend on upgraded turbo cars on M1/make above 1700WHP

NGK Racing Series plugs are engineered to withstand the harshest engine conditions.

• Special insulator nose configurations improve throttle response
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage