V-Twin 32-7777 Dyna S Single Fire Ignition

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Dyna S single fire ignition has the features of the Dyna S, but fires the front and rear cylinders independently of each other which allows accurate timing of each cylinder. Stock ignition systems fire both cylinders at the same time which has a wasted spark on the exhaust stroke. This eliminates this inherent problem. Use advance assembly on 1980-up models. Ingnition can be used with single or dual plug heads. Fits: XL 1971-2003 FXST 1984-1999 FLST 1986-1999 FXR 1982-1994 FXD 1991-1999 FL 1970-1984 FX 1971-1984 FLT 1980-1999 UOM: 1 - EA 2011 Catalog pages: 265, 617, 900 Suggested to use with #32-7510 advance assembly on 1980-up models. Click here to view additional information Additional photos 32-9301 - Dyna Ignition Rotor SAV for Harley Davidson Motorcycles
S Single Fire Ignition