Brisk Silver Racing Spark Plug - 14 mm Thread - 25 mm R - Heat Range 12 - Tapered Seat - Resistor RR12YS BM-1.5 Luminescent dials glow green at

Luminescent dials glow green at night for dimly lit tracks when no battery is available to light conventional instruments

Ford Midsize Car 1963-70 / Mustang 1963-77

Double-Layer Insulation provides extgra protection against "arc-thru"

and higher flow rates

Black coated braided steel lines have black aluminum ends

Brisk Silver Racing Spark Plug - 14 mm Thread - 25 mm R - Heat Range 12 - Tapered Seat - Resistor RR12YS BM-1.5 Luminescent dials glow green atProduct Description: Spark Plug Silver Racing 14 mm Thread 25 mm Reach Heat Range 12 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