Brisk Silver Racing Spark Plug - 14 mm Thread - 25 mm R - Heat Range 15 - Tapered Seat - Resistor RR15YS Street Performance Catalog From success in the early

From success in the early days of drag racing

truck and tractor pullinga"in addition to world speed record vehicles at both the Bonneville salt flats and in offshore power boat racing

-6AN return fittings

1971-1974 Chevrolet G10 Van

Brisk Silver Racing Spark Plug - 14 mm Thread - 25 mm R - Heat Range 15 - Tapered Seat - Resistor RR15YS Street Performance Catalog From success in the earlyProduct 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