Performance Spark Plugs

Brisk NOR14LGS Premium Racing spark plug for race car engines. Features a 14mm thread, 12.7mm (1/2in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 14, resistor, with a surface discharge design for enhanced spark and combustion efficiency in...

Brisk L10ZS Premium Racing spark plug for race car engines. Features a 14mm thread, 19mm (3/4in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 10, non-resistor, with a surface discharge design for enhanced spark and combustion efficiency in...

Brisk MR10S Silver Racing spark plug for race car engines. Features a 12mm thread, 26.1mm (1.03in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 10, resistor, with a silver center electrode for excellent heat dissipation and ignition in...

Brisk MR08GS Premium Racing spark plug for race car engines. Features a 12mm thread, 26.1mm (1.03in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 8, resistor, with a surface discharge design for improved spark and combustion in...

Brisk MR12ZS Premium Racing spark plug for race car engines. Features a 12mm thread, 26.1mm (1.03in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 12, resistor, with a surface discharge design for improved spark and combustion in...

Brisk MR12S Silver Racing spark plug for race car engines. Features a 12mm thread, 26.1mm (1.03in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 12, resistor, with a silver center electrode for superior heat transfer and ignition in...

Brisk LOR17LGS Premium Racing spark plug for race car engines. Features a 14mm thread, 19mm (3/4in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 17, resistor, with a surface discharge design for enhanced spark and combustion efficiency in...

Brisk LR10SL Silver Racing spark plug for race car engines. Features a 14mm thread, 19mm (3/4in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 10, resistor, with a silver center electrode for excellent heat dissipation and ignition in...

Brisk HR15YS Silver Racing spark plug for race car engines. Features a 14mm thread, 12.7mm (1/2in) reach, and 16mm (5/8in) hex with a tapered seat. Heat Range 15, resistor, with a silver center electrode for superior heat transfer and ignition in...

Brisk GR15YS Silver Racing spark plug for race car engines. Features a 14mm thread, 18mm (0.71in) reach, and 16mm (5/8in) hex with a tapered seat. Heat Range 15, resistor, with a silver center electrode for superior heat transfer and ignition in...

Brisk HR14YS Silver Racing spark plug for race car engines. Features a 14mm thread, 12.7mm (1/2in) reach, and 16mm (5/8in) hex with a tapered seat. Heat Range 14, resistor, with a silver center electrode for superior heat transfer and ignition in...

Brisk GOR15YTE-3 Super Yttrium Racing spark plug for race car engines. Features a 14mm thread, 18mm (0.71in) reach, and 16mm (5/8in) hex with a gasket seat. Heat Range 15, resistor, with triple ground yttrium electrodes for enhanced spark and combustion...