{"product_id":"dyna-s-single-fire-ignition","title":"HARLEY Dyna S Single Fire Ignition Fits 1971-2003 XL,   1984-1999 FXST,   1986-1999 FLST,   1982-199","description":"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 system fires 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. Ignition can be used with single or dual plug heads.   FITS HARLEY: 1971-2003 XL,   1984-1999 FXST,   1986-1999 FLST,   1982-1994 FXR,   1982-1994 FXR,   1991-1999 FXD,   1970-1984 FL,   1971-1984 FX,   1980-1999 FLT,   1980-1999 FLT,   ","brand":"Dyna Tek","offers":[{"title":"Default Title","offer_id":46839391453372,"sku":"32-7777","price":182.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/4366\/7900\/files\/32-7777a.jpg?v=1779187570","url":"https:\/\/paniccycles.com\/products\/dyna-s-single-fire-ignition","provider":"Paniccycles","version":"1.0","type":"link"}