S&S Cycle Intelligent Spark Technology Ignition System Sensor Map Sensor 55-1037 electrical. spark plugs Original To:

Original To:

1991 Harley-Davidson Tour Glide Ultra Classic - FLTCU

2017-2019 Harley-Davidson Street Glide EFI FLHX - -

Fits 2012 to 2021 Dyna and Touring Models

Original to -

S&S Cycle Intelligent Spark Technology Ignition System Sensor Map Sensor 55-1037 electrical. spark plugs Original To:New 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