Brisk Premium Racing Spark Plug - 12 mm Thread - 19 mm R - Heat Range 12 - Gasket Seat - Resistor BOR12LGS 195999 This unit is drilled for

This unit is drilled for 1/2in

5-1/2 in Quarter Master V-Drive / Optimum-V / Pro-Series Clutches

Plastic nose support is specifically designed to fit the underside curve of the MD3 Evolution style Dirt Late Model nose piece

Removes Factory Resonators

Brisk Premium Racing Spark Plug - 12 mm Thread - 19 mm R - Heat Range 12 - Gasket Seat - Resistor BOR12LGS 195999 This unit is drilled forProduct Description: Spark Plug Premium Racing 12 mm Thread 19 mm Reach Heat Range 12 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