Cylinder Head Temp Sensor - Harley Davidson

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 Intelligent Spark Technology Ignition Module requires an installation kit that must be purchased separately Optional high-output coil also available: designed for the S&S Variable Fuel Injection System, the single-fire coil is actually two separate coils in a single package; coil impedance 3 ohm per coil (sold separately) Made in the U.S.A.