Brisk Premium Racing Spark Plug - 10 mm Thread - 26.5 mm R - Heat Range 10 - Gasket Seat - Resistor CR10ZS AA0220BG2T63 makes this the stiffest and

makes this the stiffest and most visual pleasing design so far

Standard Sidewinder

Carbon Finish

1987-2006 Jeep Wrangler

Brisk Premium Racing Spark Plug - 10 mm Thread - 26.5 mm R - Heat Range 10 - Gasket Seat - Resistor CR10ZS AA0220BG2T63 makes this the stiffest andProduct Description: Spark Plug Premium Racing 10 mm Thread 26. 5 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