Brisk Premium Racing Spark Plug - 14 mm Thread - 18 mm R - Heat Range 15 - Tapered Seat - Resistor GOR15LGS ICT Billet These Fuel Plugs seal in

These Fuel Plugs seal in 30

Ideal for carbureted power plants not using a separate fuel pressure regulator

element color blue

Boots are EXTRA HEAVY to prevent burn through and cross fire

4130 chrome moly 3/4" x

Brisk Premium Racing Spark Plug - 14 mm Thread - 18 mm R - Heat Range 15 - Tapered Seat - Resistor GOR15LGS ICT Billet These Fuel Plugs seal inProduct Description: Spark Plug Premium Racing 14 mm Thread 18 mm Reach Heat Range 15 Tapered 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