{"product_id":"accel-unilite-breakerless-ignition-system-for-harley-davidson-fxst-1984-1993-part-a554","title":"Accel Unilite Breakerless Ignition System Harley FXST A554","description":"\u003cdiv\u003e\n\u003ch1\u003eAccel Unilite Breakerless Ignition System A554 for Harley FXST (1984–1993)\u003c\/h1\u003e\n\u003cp\u003eReplace points with a maintenance-free dual-fire electronic ignition designed for Harley FXST models from 1984 through 1993. The Accel Unilite integrates a photo coupler, a signal processor, and a power switch into a compact E-spark module that interrupts infrared light from the shutter wheel to energize the ignition coil; when light resumes, the stored energy discharges to ignite the plug, delivering a consistent spark for smoother throttle response.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: A554\u003c\/li\u003e\n\u003cli\u003eType: breakerless electronic ignition, dual-fire system\u003c\/li\u003e\n\u003cli\u003eFitment: Harley Davidson FXST (1984–1993)\u003c\/li\u003e\n\u003cli\u003eIncludes accessories: Timer Device Tool (SKU 16-1736); Clean Time Tool (SKU 16-0715)\u003c\/li\u003e\n\u003cli\u003eManufacturer: Accel; Made in the USA\u003c\/li\u003e\n\u003cli\u003eRecommended with: mechanical advance unit (order #32-7510); dual-fire coils (#32-7793 or #32-8086)\u003c\/li\u003e\n\u003cli\u003eInstallation: simple with detailed online instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis upgrade is designed for street and highway use, offering enhanced reliability, better fuel efficiency, and smoother engine performance compared to points-based ignition. It is a durable, high-quality choice for restoring or upgrading FXST ignition systems.\u003c\/p\u003eMallory unilite breakerless electronic ignition is a dual fire system.\n\u003cp\u003eUpgrade your Harley Davidson FXST with the Accel Unilite Breakerless Ignition System, part number A554, designed for optimal performance from 1984 through 1993 models. This advanced electronic ignition replaces traditional points with a modern E-spark module that includes a photo coupler, a signal processor, and a power switch, delivering reliable ignition performance. The system works by interrupting infrared light reaching the photo coupler as the shutter wheel rotates, which energizes the ignition coil. When the infrared light resumes contact, the stored energy discharges, igniting the spark plug for efficient combustion. This design ensures a consistent spark for smooth engine operation and improved throttle response. The kit is suitable for street and highway use, providing a dependable upgrade for your motorcycle's ignition system. It is recommended to order a mechanical advance unit (order #32-7510) along with a dual fire coil such as #32-7793 or #32-8086 for optimal performance. The system is easy to install with detailed instructions available online, and it is manufactured in the USA for quality assurance. \u003cbr\u003e \u003cbr\u003e The package includes essential accessory items, such as the Timer Device Tool (SKU 16-1736) and the Clean Time Tool (SKU 16-0715), which assist in proper setup and maintenance of the ignition system. Designed to fit Harley Davidson FXST models from 1984 to 1993, this ignition upgrade offers a significant improvement over traditional points-based ignition systems, providing enhanced reliability, better fuel efficiency, and smoother engine performance. Whether you are restoring a vintage motorcycle or upgrading for better street performance, the Accel Unilite system is a durable and high-quality choice that ensures your motorcycle runs at its best.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eElectronic ignition module with photo coupler, signal processor, and power switch for reliable spark control\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eReplaces traditional points for maintenance-free operation\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDesigned for Harley Davidson FXST models from 1984 to 1993\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eRecommended to use with mechanical advance (order #32-7510) and dual fire coils (#32-7793 or #32-8086)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eEasy installation with detailed online instructions\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eManufactured in the USA for quality assurance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FL 1970\u003cbr\u003e\nHarley Davidson FL 1971\u003cbr\u003e\nHarley Davidson FL 1972\u003cbr\u003e\nHarley Davidson FL 1973\u003cbr\u003e\nHarley Davidson FL 1974\u003cbr\u003e\nHarley Davidson FL 1975\u003cbr\u003e\nHarley Davidson FL 1976\u003cbr\u003e\nHarley Davidson FL 1977\u003cbr\u003e\nHarley Davidson FL 1978\u003cbr\u003e\nHarley Davidson FL 1979\u003cbr\u003e\nHarley Davidson FL 1980\u003cbr\u003e\nHarley Davidson FL 1981\u003cbr\u003e\nHarley Davidson FL 1982\u003cbr\u003e\nHarley Davidson FL 1983\u003cbr\u003e\nHarley Davidson FL 1984\u003cbr\u003e\nHarley Davidson FLST 1986\u003cbr\u003e\nHarley Davidson FLST 1987\u003cbr\u003e\nHarley Davidson FLST 1988\u003cbr\u003e\nHarley Davidson FLST 1989\u003cbr\u003e\nHarley Davidson FLST 1990\u003cbr\u003e\nHarley Davidson FLST 1991\u003cbr\u003e\nHarley Davidson FLST 1992\u003cbr\u003e\nHarley Davidson FLST 1993\u003cbr\u003e\nHarley Davidson FLST 1994\u003cbr\u003e\nHarley Davidson FLST 1995\u003cbr\u003e\nHarley Davidson FLST 1996\u003cbr\u003e\nHarley Davidson FLST 1997\u003cbr\u003e\nHarley Davidson FLST 1998\u003cbr\u003e\nHarley Davidson FLST 1999\u003cbr\u003e\nHarley Davidson FLT 1980\u003cbr\u003e\nHarley Davidson FLT 1981\u003cbr\u003e\nHarley Davidson FLT 1982\u003cbr\u003e\nHarley Davidson FLT 1983\u003cbr\u003e\nHarley Davidson FLT 1984\u003cbr\u003e\nHarley Davidson FLT 1985\u003cbr\u003e\nHarley Davidson FLT 1986\u003cbr\u003e\nHarley Davidson FLT 1987\u003cbr\u003e\nHarley Davidson FLT 1988\u003cbr\u003e\nHarley Davidson FLT 1989\u003cbr\u003e\nHarley Davidson FLT 1990\u003cbr\u003e\nHarley Davidson FLT 1991\u003cbr\u003e\nHarley Davidson FLT 1992\u003cbr\u003e\nHarley Davidson FLT 1993\u003cbr\u003e\nHarley Davidson FLT 1994\u003cbr\u003e\nHarley Davidson FLT 1995\u003cbr\u003e\nHarley Davidson FLT 1996\u003cbr\u003e\nHarley Davidson FLT 1997\u003cbr\u003e\nHarley Davidson FLT 1998\u003cbr\u003e\nHarley Davidson FLT 1999\u003cbr\u003e\nHarley Davidson FX 1971\u003cbr\u003e\nHarley Davidson FX 1972\u003cbr\u003e\nHarley Davidson FX 1973\u003cbr\u003e\nHarley Davidson FX 1974\u003cbr\u003e\nHarley Davidson FX 1975\u003cbr\u003e\nHarley Davidson FX 1976\u003cbr\u003e\nHarley Davidson FX 1977\u003cbr\u003e\nHarley Davidson FX 1978\u003cbr\u003e\nHarley Davidson FX 1979\u003cbr\u003e\nHarley Davidson FX 1980\u003cbr\u003e\nHarley Davidson FX 1981\u003cbr\u003e\nHarley Davidson FX 1982\u003cbr\u003e\nHarley Davidson FX 1983\u003cbr\u003e\nHarley Davidson FX 1984\u003cbr\u003e\nHarley Davidson FXD 1991\u003cbr\u003e\nHarley Davidson FXD 1992\u003cbr\u003e\nHarley Davidson FXD 1993\u003cbr\u003e\nHarley Davidson FXD 1994\u003cbr\u003e\nHarley Davidson FXD 1995\u003cbr\u003e\nHarley Davidson FXD 1996\u003cbr\u003e\nHarley Davidson FXD 1997\u003cbr\u003e\nHarley Davidson FXD 1998\u003cbr\u003e\nHarley Davidson FXD 1999\u003cbr\u003e\nHarley Davidson FXR 1982\u003cbr\u003e\nHarley Davidson FXR 1983\u003cbr\u003e\nHarley Davidson FXR 1984\u003cbr\u003e\nHarley Davidson FXR 1985\u003cbr\u003e\nHarley Davidson FXR 1986\u003cbr\u003e\nHarley Davidson FXR 1987\u003cbr\u003e\nHarley Davidson FXR 1988\u003cbr\u003e\nHarley Davidson FXR 1989\u003cbr\u003e\nHarley Davidson FXR 1990\u003cbr\u003e\nHarley Davidson FXR 1991\u003cbr\u003e\nHarley Davidson FXR 1992\u003cbr\u003e\nHarley Davidson FXR 1993\u003cbr\u003e\nHarley Davidson FXR 1994\u003cbr\u003e\nHarley Davidson FXST 1984\u003cbr\u003e\nHarley Davidson FXST 1985\u003cbr\u003e\nHarley Davidson FXST 1986\u003cbr\u003e\nHarley Davidson FXST 1987\u003cbr\u003e\nHarley Davidson FXST 1988\u003cbr\u003e\nHarley Davidson FXST 1989\u003cbr\u003e\nHarley Davidson FXST 1990\u003cbr\u003e\nHarley Davidson FXST 1991\u003cbr\u003e\nHarley Davidson FXST 1992\u003cbr\u003e\nHarley Davidson FXST 1993\u003cbr\u003e\nHarley Davidson FXST 1994\u003cbr\u003e\nHarley Davidson FXST 1995\u003cbr\u003e\nHarley Davidson FXST 1996\u003cbr\u003e\nHarley Davidson FXST 1997\u003cbr\u003e\nHarley Davidson FXST 1998\u003cbr\u003e\nHarley Davidson FXST 1999\u003c\/div\u003e","brand":"Accel","offers":[{"title":"Default Title","offer_id":44653319815210,"sku":"32-5119","price":201.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/32-5119a.jpg?v=1785895682","url":"https:\/\/atticusgoods.com\/products\/accel-unilite-breakerless-ignition-system-for-harley-davidson-fxst-1984-1993-part-a554","provider":"Atticus Goods","version":"1.0","type":"link"}