Brisk Premium Racing Spark Plug - 14 mm Thread - 18 mm R - Heat Range 11 - Tapered Seat - Non-Resistor HS11M61FIA Optimally positions key performance data

Optimally positions key performance data within driver's field of vision

1979-1981 GMC K2500

with innovative AIM swivel mount for precise viewing angles

9/16" 26-Spline

Brisk Premium Racing Spark Plug - 14 mm Thread - 18 mm R - Heat Range 11 - Tapered Seat - Non-Resistor HS11M61FIA Optimally positions key performance dataProduct Description: Spark Plug Premium Racing 14 mm Thread 18 mm Reach Heat Range 11 Tapered Seat Non 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