{"product_id":"compufire-40a-3-phase-charging-system-40-amp-non-vented-1999-2002-twin-cam-139-10025","title":"Compufire 40A 3 Phase Charging System - 40 AMP NON Vented `1999-2002 Twin CAM — Harley-Davidson (1999-2002)","description":"\u003cp\u003eCompufire 40A 3-phase charging system designed for 1999-2002 Twin Cam Harley-Davidson motorcycles. Produces 25 amp at idle, 40 amp above 2800 rpm, with a vented rotor that keeps the stator cooler for sustained high output.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e25 AMP output at idle, 40 AMP above 2800 rpm\u003c\/li\u003e\n  \u003cli\u003eVented rotor for improved heat dissipation\u003c\/li\u003e\n  \u003cli\u003eHigh output voltage regulator at 14.25V from idle\u003c\/li\u003e\n  \u003cli\u003eWorks with OEM primary due to narrow rotor and stator profile\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Compufire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 55576\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548100\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 11 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 1999-2002 Harley-Davidson Twin Cam Softail, Dyna, and FLT models with OEM primary.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my 2003+ Twin Cam?\u003c\/h3\u003e\n\u003cp\u003eNo — this system is specific to 1999-2002 Twin Cam models. 2003 and newer Twin Cam bikes require a different charging system.\u003c\/p\u003e\n\u003ch3\u003eDoes the vented rotor really keep the stator cooler?\u003c\/h3\u003e\n\u003cp\u003eYes. The vented design allows better airflow around the stator windings, which helps maintain maximum output during sustained riding.\u003c\/p\u003e\n\u003ch3\u003eWhat's the output at idle versus highway speeds?\u003c\/h3\u003e\n\u003cp\u003e25 amp at idle, stepping up to 40 amp above 2800 rpm — enough for most stock and mild modified electrical systems.\u003c\/p\u003e\n\u003ch3\u003eDoes this work with my OEM primary cover?\u003c\/h3\u003e\n\u003cp\u003eYes. The narrow profile of the rotor and stator is designed to fit without modifying the OEM primary.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872485487,"sku":"139-10025","price":638.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/ebcb-5dea7fc4dbbd7.jpg?v=1777529919","url":"https:\/\/vtwinbikers.com\/products\/compufire-40a-3-phase-charging-system-40-amp-non-vented-1999-2002-twin-cam-139-10025","provider":"Vtwinbikers","version":"1.0","type":"link"}