S&S CYCLE 55-1037 55-1037 Intelligent Spark Technology (IST) Ignition System Sensor - Map Sensor Brand_LePera Note:Not for FLHRS

Note:Not for FLHRS

AMP Multilock plugs

'99-'07 FXST

The 2 1/2" Vortex wrapped baffle core is for motors 96" to 113"

S&S CYCLE 55-1037 55-1037 Intelligent Spark Technology (IST) Ignition System Sensor - Map Sensor Brand_LePera Note:Not for FLHRSFeatures 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