Brisk Silver Racing Spark Plug - 12 mm Thread - 26.1 mm R - Heat Range 10 - Gasket Seat - Resistor 2MOR10S H777C04S the new 13T Series proves

the new 13T Series proves to be more versatile and tunable for special builds

Made from high silicon-molybdenum ductile iron for high temperature strength plus resistance to oxidation and cracking

Mandrel bending machines ensure wrinkle free bends

5" And GM 7

Brisk Silver Racing Spark Plug - 12 mm Thread - 26.1 mm R - Heat Range 10 - Gasket Seat - Resistor 2MOR10S H777C04S the new 13T Series provesProduct Description: Spark Plug Silver Racing 12 mm Thread 26. 1 mm Reach Heat Range 10 Gasket Seat Resistor Sold Individually Since its founding in 1935, Brisk has been a leading innovator and producer of spark plugs. Serving both the OEM and the aftermarket and racing industries, Brisk offers a wide range of spark plugs for a variety of applications, including iridium, platinum, and yttrium. Brisk's silver center electrode technology makes them the