S&S Cycle Intelligent Spark Technology Ignition System Sensor Map Sensor 55-1037 derby cover 010 Over Pistons & Rings

010 Over Pistons & Rings 1974-1980 Big Twin

FLHT Electra Glide Classic (1983) Electra Glide Classic FLHT (1983)

pads cool after the race and perform just as strong the next race day

XLCH1000 4AJ0 Sportster 1000 (1980) 4AJ0 XLCH1000 Sportster 1000 (1980) Sportster 1000 XLCH1000 4AJ0 (1980)

S&S Cycle Intelligent Spark Technology Ignition System Sensor Map Sensor 55-1037 derby cover 010 Over Pistons & RingsNew Old Stock Part # 55 1037 Intelligent Spark Technology (IST) Ignition System Sensor Map Sensor The S&S system makes use of crank position sensor, cam position sensor if present, MAP sensor, cylinder head temperature sensor and an exclusive knock sensor that detects detonation or knock while the engine runs Knock sensor allows the ECU to automatically adjust ignition timing to eliminate knock whenever it occurs Optimizes power and fuel economy The