Spark Plug PremiumRacing

The Spark Plug PremiumRacing ER15SXC is a high-performance spark plug designed for racing applications and high-output street engines. It is engineered to provide consistent ignition under extreme combustion conditions, making it suitable for motorsports enthusiasts and engine builders looking for reliable performance.

Featuring a 14mm thread size and a reach of 26.1mm, this spark plug ensures precise electrode gap control and superior heat dissipation. The heat range of 15 indicates its capability to operate efficiently in engines that generate elevated combustion temperatures, effectively shedding excess heat while maintaining optimal thermal conditions for fuel combustion.

Ideal for modified or high-rev engines, the Spark Plug PremiumRacing is perfect for applications where standard OEM plugs may not suffice. Its gasket seat design provides a secure seal in the cylinder head, while the integrated resistor minimizes ignition noise, making it a reliable choice for performance tuning and diagnostics.