Brisk Silver Racing Spark Plug - 14 mm Thread - 25 mm R - Heat Range 14 - Tapered Seat - Resistor RR14S 90BONUS Holley 2300 / 4150 /

Holley 2300 / 4150 / 4160 / 4500 Carburetors

1 x 2 in Rectangle Tube

Mounting bracket included CARB E

Brackets mount to quick change rearends and accept most popular lift bars

3-3/4 in / 5 in Gauges

Brisk Silver Racing Spark Plug - 14 mm Thread - 25 mm R - Heat Range 14 - Tapered Seat - Resistor RR14S 90BONUS Holley 2300 / 4150 /Product Description: Spark Plug Silver Racing 14 mm Thread 25 mm Reach Heat Range 14 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