Brisk Premium Racing Spark Plug - 12 mm Thread - 19 mm R - Heat Range 14 - Gasket Seat - Resistor BR14ZC 15001903 The “through the firewall” bulkhead

The “through the firewall” bulkhead connector mounts in the stock location of the original bulkhead connector and allows for engine and front light harnesses to be connected at the firewall

This kit includes a switch

Holley HP / Dominator EFI

2020 Jeep Gladiator

The Aluminum Ultra XP comes in 600

Brisk Premium Racing Spark Plug - 12 mm Thread - 19 mm R - Heat Range 14 - Gasket Seat - Resistor BR14ZC 15001903 The “through the firewall” bulkheadProduct Description: Spark Plug Premium Racing 12 mm Thread 19 mm Reach Heat Range 14 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