Brisk Silver Racing Spark Plug - 14 mm Thread - 25 mm R - Heat Range 15 - Tapered Seat - Resistor RR15YS NItrous Pressure Gauge suitable for Street/Strip and Racing

suitable for Street/Strip and Racing applications

Dual 3-1/2 in Diameter Pipe

Fits Holley(R) type carb jets

Protects Synthetic Rubber Hose

Brisk Silver Racing Spark Plug - 14 mm Thread - 25 mm R - Heat Range 15 - Tapered Seat - Resistor RR15YS NItrous Pressure Gauge suitable for Street/Strip and RacingProduct Description: Spark Plug Silver Racing 14 mm Thread 25 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