Brisk Premium Racing Spark Plug - 14 mm Thread - 19 mm R - Heat Range 10 - Gasket Seat - Non-Resistor L10ZS Metal Polishing Kit Duration 243 / 253

Duration 243 / 253

V6 and small and big block V8 engines using 153 or 168 tooth flywheels

Compact & Lightweight Design

Holley 2300 / 4150 / 4160 / 4500

2002-2013 Chevrolet Silverado 1500

Brisk Premium Racing Spark Plug - 14 mm Thread - 19 mm R - Heat Range 10 - Gasket Seat - Non-Resistor L10ZS Metal Polishing Kit Duration 243 / 253Product Description: Spark Plug Premium Racing 14 mm Thread 19 mm Reach Heat Range 10 Gasket Seat Non 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