Thread 14mm x hex 3/4" (19mm) x pitch 1.25mm. Ceramic resistor. Heat range 9. 19mm (3/4") reach. 0.6mm fine wire iridium centre el...
Thread 14mm x reach 19mm x hex 20.8mm. Spark plugs used for racing must withstand especially hard stresses. The speeds during a race are fre...
