{"title":"Compufire","description":null,"products":[{"product_id":"compufire-elite-ignition-module-kit-single-dual-fire-mild-perf-1970-1999-bt-139-10005","title":"Compufire Elite Ignition Module - KIT Single\/Dual Fire Mild Perf.`1970-1999 BT… — Harley-Davidson (1970-1999)","description":"\u003cp\u003eCompufire Elite ignition module for carbureted V-twin motorcycles, featuring selectable advance curves and adjustable RPM limiter in single or dual-fire configuration. All electronics mount under the timing cover for a clean installation, with a static timing LED to simplify setup.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e8 selectable advance curves in single or dual-fire mode\u003c\/li\u003e\n  \u003cli\u003eAdjustable RPM limiter\u003c\/li\u003e\n  \u003cli\u003eStatic timing LED for easy installation\u003c\/li\u003e\n  \u003cli\u003eAll electronics mount under timing cover\u003c\/li\u003e\n  \u003cli\u003eMade in the U.S.A.\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 20600\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547646\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L × 2 in W × 8 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits carbureted V-twin motorcycles including Harley-Davidson Big Twin and Indian models. Not compatible with EFI models or Sportster S.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this work on my EFI Harley?\u003c\/h3\u003e\n\u003cp\u003eNo — this module is for carbureted V-twins only. EFI models require a different ignition system.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit a Sportster S?\u003c\/h3\u003e\n\u003cp\u003eNo — Sportster S models are not compatible with this ignition module.\u003c\/p\u003e\n\u003ch3\u003eCan I switch between single-fire and dual-fire?\u003c\/h3\u003e\n\u003cp\u003eYes. The module offers 8 selectable advance curves in either single or dual-fire mode, switchable during operation.\u003c\/p\u003e\n\u003ch3\u003eDo I need special tools to install this?\u003c\/h3\u003e\n\u003cp\u003eNo special tools required. The included static timing LED light simplifies timing setup during installation.\u003c\/p\u003e\n\u003ch3\u003eWhere does the module mount?\u003c\/h3\u003e\n\u003cp\u003eAll electronics mount securely under the timing cover for a hidden, factory-like appearance.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871699055,"sku":"139-10005","price":430.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/75df-5dea7f632561d.jpg?v=1777529912"},{"product_id":"compufire-elite-ignition-module-kit-single-dual-fire-hi-perf-1970-1999-bt-1-139-10006","title":"Compufire Elite Ignition Module - KIT Single\/Dual Fire HI Perf.`1970-1999 BT `1… — Harley-Davidson (1970-1999)","description":"\u003cp\u003eCompufire Elite ignition module for carbureted V-twin motorcycles, with selectable advance curves and adjustable RPM limiter for tuning. All electronics mount compactly under the timing cover, and features a static timing LED for installation without a timing light.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e8 selectable advance curves in single or dual fire mode\u003c\/li\u003e\n  \u003cli\u003eAdjustable RPM limiter\u003c\/li\u003e\n  \u003cli\u003eStatic timing LED for easy installation\u003c\/li\u003e\n  \u003cli\u003eAll electronics mount under timing cover\u003c\/li\u003e\n  \u003cli\u003eMade in the U.S.A.\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 21835\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547653\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L × 2 in W × 8 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits carbureted V-twin motorcycles including Harley-Davidson and Indian models 1970–1999. Not compatible with EFI models or Sportster S.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this work on my EFI Harley?\u003c\/h3\u003e\n\u003cp\u003eNo — this module is for carbureted engines only. EFI models require a different ignition system.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit a Sportster S?\u003c\/h3\u003e\n\u003cp\u003eNo — Sportster S models are not compatible with this ignition module.\u003c\/p\u003e\n\u003ch3\u003eDo I need a timing light to install this?\u003c\/h3\u003e\n\u003cp\u003eNo — the included static timing LED allows you to set base timing without a timing light.\u003c\/p\u003e\n\u003ch3\u003eCan I switch between single fire and dual fire?\u003c\/h3\u003e\n\u003cp\u003eYes — the module offers 8 advance curves selectable in either single or dual fire mode for tuning flexibility.\u003c\/p\u003e\n\u003ch3\u003eWhat year Harleys will this fit?\u003c\/h3\u003e\n\u003cp\u003e1970–1999 carbureted V-twins, excluding Sportster S. Verify your model year before ordering.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871731823,"sku":"139-10006","price":430.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_1ec2936b-dc25-48a4-bfd8-6addb2b68aee.png?v=1779563484"},{"product_id":"compufire-elite-ignition-module-kit-single-dual-fire-ks-hi-perf-1970-1999-bt-139-10007","title":"Compufire Elite Ignition Module - KIT Single\/Dual Fire KS HI Perf.`1970-1999 BT… — Harley-Davidson (1970-1999)","description":"\u003cp\u003eCompufire Elite ignition module for V-twin motorcycles, featuring selectable advance curves and adjustable RPM limiter with all electronics housed under the timing cover. Made in the U.S.A. and compatible with 1970-1999 Harley Big Twin carbureted models.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAll electronics mount under timing cover\u003c\/li\u003e\n  \u003cli\u003e8 selectable advance curves in single or dual fire mode\u003c\/li\u003e\n  \u003cli\u003eAdjustable RPM limiter\u003c\/li\u003e\n  \u003cli\u003eStatic timing LED light for installation\u003c\/li\u003e\n  \u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\n  \u003cli\u003eNot for EFI or Sportster S models\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 21835-KS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547691\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5 in L × 2 in W × 8 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 1970-1999 Harley-Davidson Big Twin carbureted models. Not compatible with EFI systems or Sportster S models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this work on my EFI Harley?\u003c\/h3\u003e\n\u003cp\u003eNo — this module is for carbureted V-twins only. EFI models require a different ignition system.\u003c\/p\u003e\n\u003ch3\u003eCan I use this on a Sportster S?\u003c\/h3\u003e\n\u003cp\u003eNo — this ignition is not compatible with Sportster S models.\u003c\/p\u003e\n\u003ch3\u003eDo I need special tools to install this?\u003c\/h3\u003e\n\u003cp\u003eNo special tools required. The included static timing LED light makes installation straightforward for carbureted Big Twin motors.\u003c\/p\u003e\n\u003ch3\u003eWhat are advance curves and why are they selectable?\u003c\/h3\u003e\n\u003cp\u003eAdvance curves control spark timing across the RPM range. Eight selectable curves let you dial in the ignition curve that works best for your engine and fuel.\u003c\/p\u003e\n\u003ch3\u003eWhere does the module mount?\u003c\/h3\u003e\n\u003cp\u003eAll electronics mount under the timing cover for a clean, original appearance.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871797359,"sku":"139-10007","price":417.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/ccee-5dea7f63c160a.jpg?v=1777529913"},{"product_id":"compufire-ignition-kit-single-dual-fire-k-s-1970-1999-bt-except-efi-139-10009","title":"Compufire Ignition Kit - Single\/Dual Fire K\/S `1970-1999 BT (except Efi) — Harley-Davidson (1970-1999)","description":"\u003cp\u003eCompufire single\/dual-fire ignition kit for Big Twin Harley-Davidson motorcycles 1970-1999 (carbureted models only). Swaps in place of the factory points or electronic ignition to deliver more reliable spark timing and adjustable rev limiting from 6000 to 7500 rpm.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle-fire ignition conversion with adjustable rev limiter (6000–7500 rpm)\u003c\/li\u003e\n  \u003cli\u003eComplete kit: ignition module, single-fire coil, spark plug wires, mounting hardware\u003c\/li\u003e\n  \u003cli\u003eCoil mounts in OEM location under stock cover\u003c\/li\u003e\n  \u003cli\u003eStatic timing LED light for straightforward installation\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 22001\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547707\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7 in L × 5 in W × 8 in H\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Big Twin motorcycles 1970–1999 with carbureted engines. Will not fit EFI models or Sportster.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my 1999 Big Twin Harley?\u003c\/h3\u003e\n\u003cp\u003eYes, if your bike has a carburetor. EFI-equipped models are not compatible.\u003c\/p\u003e\n\u003ch3\u003eWhat comes in the kit?\u003c\/h3\u003e\n\u003cp\u003eIgnition module, single-fire coil, spark plug wires, mounting hardware, and static timing LED light.\u003c\/p\u003e\n\u003ch3\u003eDo I need to remove the stock cover to install the coil?\u003c\/h3\u003e\n\u003cp\u003eNo — the coil mounts in the OEM location and fits under the factory cover.\u003c\/p\u003e\n\u003ch3\u003eCan I adjust the rev limiter after installation?\u003c\/h3\u003e\n\u003cp\u003eYes. The rev limiter is adjustable from 6000 to 7500 rpm, and can also be shut off entirely if desired.\u003c\/p\u003e\n\u003ch3\u003eWhat's the advantage over points ignition?\u003c\/h3\u003e\n\u003cp\u003eElectronic ignition delivers more consistent spark timing across the RPM range and requires no point dwell adjustment or replacement.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871830127,"sku":"139-10009","price":552.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/c6d5-5dd6e4c054fca.jpg?v=1777529913"},{"product_id":"compufire-ignition-coil-single-fire-1970-1998-bt-1972-2001-xl-139-10012","title":"Compufire Ignition Coil - Single Fire `1970-1998 BT `1972-2001 XL","description":"\u003cp\u003eCompufire ignition coil rated at 3 ohms and 50,000 volts for carbureted Harley big-twins and Sportsters. Direct replacement for single-fire ignition systems, manufactured in the USA and distributed by Western Power Sports.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e3 OHM, 50,000 volt output\u003c\/li\u003e\n  \u003cli\u003eSingle-fire ignition coil\u003c\/li\u003e\n  \u003cli\u003eNot compatible with EFI models\u003c\/li\u003e\n  \u003cli\u003eNot for Dyna S or points-style ignitions\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eSold individually\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 30640\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547738\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Output:\u003c\/strong\u003e 50,000 volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 3 OHM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 3 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 3 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Mainland)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 1970-1998 Harley-Davidson big-twin (BT) models and 1972-2001 Sportster (XL) models equipped with single-fire ignition systems. Not compatible with fuel-injected or Dyna S ignitions.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my EFI Harley?\u003c\/h3\u003e\n\u003cp\u003eNo — this coil is for carbureted models only. EFI-equipped bikes require a different Compufire coil designed for electronic fuel injection.\u003c\/p\u003e\n\u003ch3\u003eCan I use this with a points ignition?\u003c\/h3\u003e\n\u003cp\u003eNo — this coil is not compatible with points or Dyna S ignition systems. Verify your current ignition type before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs this a direct bolt-on replacement?\u003c\/h3\u003e\n\u003cp\u003eYes, if your bike currently uses a single-fire ignition. Mount it using the existing bracket and reconnect the primary and secondary wires.\u003c\/p\u003e\n\u003ch3\u003eWhat year Sportster does this fit?\u003c\/h3\u003e\n\u003cp\u003eFits 1972-2001 Sportster (XL) models with single-fire ignitions. Check your specific year's ignition configuration before purchase.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871862895,"sku":"139-10012","price":141.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/880c-5dd5c4b55c6e1.jpg?v=1777529914"},{"product_id":"compufire-stator-40-amp-compu-fire-3-phase-system-evo-139-10014","title":"Compufire Stator - 40 AMP Compu-Fire 3 Phase System EVO — Harley-Davidson Electra Glide Classic, Softail Custom, Softail Heritage Classic (1984-1999)","description":"\u003cp\u003eCompufire 40-amp three-phase stator for Harley-Davidson Softail, Dyna, and FLT models with OEM primary covers. High-output design with vented rotor keeps charging cooler under load while delivering 14.25V from idle.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e40-amp output capacity\u003c\/li\u003e\n  \u003cli\u003eVented rotor for heat dissipation\u003c\/li\u003e\n  \u003cli\u003eHigh-output voltage regulator (14.25V at idle)\u003c\/li\u003e\n  \u003cli\u003eNarrow profile fits OEM primary covers\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 55404\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547981\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 40 amp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 2 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 3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Softail, Dyna, and FLT models with OEM primary covers. Not compatible with EFI-equipped motorcycles.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this work on my EFI Harley?\u003c\/h3\u003e\n\u003cp\u003eNo — this stator is not designed for EFI applications. Check Compufire's EFI-specific part numbers if your bike has fuel injection.\u003c\/p\u003e\n\u003ch3\u003eDoes the vented rotor really keep the stator cooler?\u003c\/h3\u003e\n\u003cp\u003eYes. The vented design improves airflow through the rotor, reducing heat buildup and allowing the stator to maintain higher output in sustained riding.\u003c\/p\u003e\n\u003ch3\u003eCan I use this with an aftermarket primary cover?\u003c\/h3\u003e\n\u003cp\u003eThe narrow rotor and stator profile are designed for OEM primary covers. Verify fitment with your aftermarket cover manufacturer before installation.\u003c\/p\u003e\n\u003ch3\u003eWhat voltage does it put out at idle?\u003c\/h3\u003e\n\u003cp\u003e14.25V — higher than stock, which charges batteries faster and powers aftermarket electrical loads more reliably.\u003c\/p\u003e\n\u003ch3\u003eIs this made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes. Compufire manufactures this stator in the USA.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871895663,"sku":"139-10014","price":258.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/3f49-5dea7f8fbb202.jpg?v=1777529914"},{"product_id":"compufire-ignition-coil-dual-fire-1980-2002-big-twin-except-efi-139-10013","title":"Compufire Ignition Coil - Dual Fire `1980-2002 BIG Twin (except Efi)","description":"\u003cp\u003eCompufire ignition coil for Harley-Davidson Big Twin motorcycles 1980-2002, rated at 3 OHM and 50,000 volts for reliable spark generation. Manufactured in the USA and designed specifically for carbureted Big Twin models.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e3 OHM, 50,000 volts output\u003c\/li\u003e\n  \u003cli\u003eCarbureted Big Twin models only — not compatible with EFI\u003c\/li\u003e\n  \u003cli\u003eNot for use with Dyna S or points-style ignitions\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 30650\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547745\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 3 OHM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Output:\u003c\/strong\u003e 50,000 volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4 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 3 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Mainland)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Big Twin models 1980 through 2002 with carburetor-fed engines. Not compatible with EFI systems or Dyna S and points ignition systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this work on my 1980-2002 Big Twin?\u003c\/h3\u003e\n\u003cp\u003eYes, if your bike has a carburetor. This coil is not compatible with EFI Big Twins or Dyna S\/points systems.\u003c\/p\u003e\n\u003ch3\u003eIs this a direct replacement for the stock coil?\u003c\/h3\u003e\n\u003cp\u003eYes — it mounts in the stock coil location for 1980-2002 carbureted Big Twin models.\u003c\/p\u003e\n\u003ch3\u003eWhat's the output voltage?\u003c\/h3\u003e\n\u003cp\u003e50,000 volts at 3 OHM resistance, designed to fire dual cylinders reliably across the RPM range.\u003c\/p\u003e\n\u003ch3\u003eWill this work with an aftermarket ignition module?\u003c\/h3\u003e\n\u003cp\u003eNo — do not use with Dyna S or points-style ignition systems. Verify your ignition module compatibility before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs it made in the USA?\u003c\/h3\u003e\n\u003cp\u003eThe coil is manufactured in the USA by Compufire. Assembly and sourcing may include international components.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871961199,"sku":"139-10013","price":104.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/d4ee-5dd5c4d3322a1.jpg?v=1777529914"},{"product_id":"compufire-stator-40-amp-compu-fire-3-phase-system-twin-cam-139-10015","title":"Compufire Stator - 40 AMP Compu-Fire 3 Phase System Twin CAM — Harley-Davidson Softail Heritage Classic, Softail Fat Boy, Road King (1999-2017)","description":"\u003cp\u003eCompufire 40-amp stator for Harley Twin Cam engines, designed with a narrow profile to fit inside the stock primary cover. The vented rotor dissipates heat to maintain maximum output, and the high-output voltage regulator delivers 14.25V at idle for reliable charging on stock and modified engines.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e40-amp output capacity\u003c\/li\u003e\n  \u003cli\u003eNarrow rotor and stator profile fits OEM primary cover\u003c\/li\u003e\n  \u003cli\u003eVented rotor design reduces heat buildup\u003c\/li\u003e\n  \u003cli\u003eHigh-output voltage regulator delivers 14.25V at idle\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eNot compatible with EFI applications\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 55405\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342547998\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 40 amps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Regulator:\u003c\/strong\u003e 14.25V at idle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 2 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 3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Softail, Dyna, and FLT models with Twin Cam engines and OEM primary covers. Narrow profile rotor requires stock or compatible primary housing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my Twin Cam engine in the stock primary?\u003c\/h3\u003e\n\u003cp\u003eYes — the narrow rotor and stator profile are designed to fit inside the OEM primary cover without modification.\u003c\/p\u003e\n\u003ch3\u003eCan I use this on an EFI Harley?\u003c\/h3\u003e\n\u003cp\u003eNo — this stator is not compatible with fuel-injected (EFI) applications. Carbureted Twin Cam engines only.\u003c\/p\u003e\n\u003ch3\u003eWhat output voltage does this regulator provide?\u003c\/h3\u003e\n\u003cp\u003eThe high-output regulator delivers 14.25V at idle, which is higher than stock to keep batteries fully charged on modified engines.\u003c\/p\u003e\n\u003ch3\u003eWill this stator run hotter than the OEM unit?\u003c\/h3\u003e\n\u003cp\u003eNo — the vented rotor design actively dissipates heat to keep operating temperatures lower than stock for sustained maximum output.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit Softail, Dyna, and FLT models?\u003c\/h3\u003e\n\u003cp\u003eYes, it fits all three platform types with Twin Cam engines and OEM primary covers.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035871993967,"sku":"139-10015","price":262.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/c044-5dea7f90a7809.jpg?v=1777529915"},{"product_id":"compufire-electric-rotor-40-amp-compu-fire-3-phase-system-vented-139-10016","title":"Compufire Electric Rotor - 40 AMP Compu-Fire 3 Phase System Vented","description":"\u003cp\u003eCompufire electric rotor for V-twin motorcycles, designed to work with 32A charging systems. Made in the USA and built to deliver reliable spark generation for high-performance ignition setups.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 32A charging systems\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eVented design for thermal management\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 55406\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548001\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 5 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles with compatible ignition systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat charging system does this rotor work with?\u003c\/h3\u003e\n\u003cp\u003eDesigned to work with 32A charging systems. Verify your bike's alternator output before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs this rotor made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — Compufire manufactures this rotor in the USA.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my Harley or Indian?\u003c\/h3\u003e\n\u003cp\u003eThis is designed for V-twin motorcycles. Confirm your specific model and year have compatible Compufire ignition before installation.\u003c\/p\u003e\n\u003ch3\u003eDoes the vented design affect performance?\u003c\/h3\u003e\n\u003cp\u003eThe vented design helps manage heat during extended riding or high-RPM operation.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872026735,"sku":"139-10016","price":184.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/fdbd-5dea7f8f2c824.jpg?v=1777529915"},{"product_id":"compufire-charging-system-32amp-1981-1999-bt-except-efi-139-10017","title":"Compufire Charging System - 32amp `1981-1999 BT (except Efi) — Harley-Davidson Electra Glide Classic, Softail Custom, Tour Glide Classic (1981-1999)","description":"\u003cp\u003eCompufire 32-amp charging system for 1981-1999 Harley-Davidson Big Twin models with carburetors. Direct replacement for stock charging systems that restores reliable output on aging electrical infrastructure.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e32-amp output capacity\u003c\/li\u003e\n  \u003cli\u003eFor carbureted Big Twin applications only\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eDrop-in replacement for stock charging systems\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 55520\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548018\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 32\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 5 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 9 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 1981-1999 Harley-Davidson Big Twin models with carburetor engines. Not compatible with EFI-equipped models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this work on my 1999 Harley with fuel injection?\u003c\/h3\u003e\n\u003cp\u003eNo — this 32-amp system is for carbureted Big Twins only. EFI models require a different charging solution.\u003c\/p\u003e\n\u003ch3\u003eCan I use this on a 2000+ Big Twin?\u003c\/h3\u003e\n\u003cp\u003eThis part is engineered for 1981-1999 models. Post-1999 Big Twins use updated electrical architecture and require updated charging components.\u003c\/p\u003e\n\u003ch3\u003eIs this a direct replacement for stock?\u003c\/h3\u003e\n\u003cp\u003eYes — it bolts in place of the factory charging system with no modifications needed on compatible carbureted models.\u003c\/p\u003e\n\u003ch3\u003eWhy 32 amps instead of stock output?\u003c\/h3\u003e\n\u003cp\u003eHigher amperage provides more reliable charging for aftermarket electrical loads like upgraded audio, lighting, or heated accessories.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872059503,"sku":"139-10017","price":434.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/5024-5dea7fae006e0.jpg?v=1777529916"},{"product_id":"compufire-charging-system-32amp-1999-2003-tc-except-efi-139-10018","title":"Compufire Charging System - 32amp `1999-2003 TC (except Efi) — Harley-Davidson Road King, Road King Classic, Electra Glide (1999-2003)","description":"\u003cp\u003eCompufire 32-amp charging system for 1999-2003 Harley Twin-Cam engines, excluding EFI models. Made in the USA and designed to handle higher electrical demands from modern accessories and lighting upgrades.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e32-amp output capacity\u003c\/li\u003e\n  \u003cli\u003eFor carbureted Twin-Cam engines only\u003c\/li\u003e\n  \u003cli\u003eNot compatible with EFI systems\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 55522\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548025\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 32 amp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 in L × 5 in W × 8 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 1999-2003 Harley-Davidson Twin-Cam (TC) models with carbureted engines. Will not fit EFI-equipped Twin-Cam motorcycles or Sportster models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this work on my 2003 Twin-Cam EFI?\u003c\/h3\u003e\n\u003cp\u003eNo — this charging system is for carbureted Twin-Cam engines only. EFI models require a different part number.\u003c\/p\u003e\n\u003ch3\u003eDoes this upgrade my charging capacity from stock?\u003c\/h3\u003e\n\u003cp\u003eYes — the 32-amp output supports additional electrical load from modern accessories, lights, and audio systems that stock charging cannot handle.\u003c\/p\u003e\n\u003ch3\u003eWhat's included?\u003c\/h3\u003e\n\u003cp\u003eThe Compufire charging system with all necessary mounting hardware and connectors for installation.\u003c\/p\u003e\n\u003ch3\u003eIs this made domestically?\u003c\/h3\u003e\n\u003cp\u003eYes — Compufire charging systems are manufactured in the USA.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872125039,"sku":"139-10018","price":749.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/bcf1-5dea7f8fa242c.jpg?v=1777529916"},{"product_id":"compufire-stator-32-amp-oem-29970-88-1981-1999-bt-except-efi-139-10019","title":"Compufire Stator - 32 AMP (oem 29970-88) `1981-1999 BT (except Efi) — Harley-Davidson (1981-1999)","description":"\u003cp\u003eCompufire 32-amp stator for Harley-Davidson big-twin models 1981–1999, direct replacement for OEM part 29970-88. High-output design with vented rotor cooling and 14.25V regulator output from idle, ideal for riders running aftermarket charging systems.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e32-amp high-output stator\u003c\/li\u003e\n  \u003cli\u003eVented rotor design for heat dissipation\u003c\/li\u003e\n  \u003cli\u003e14.25V regulator output from idle\u003c\/li\u003e\n  \u003cli\u003eFits Softail, Dyna, and FLT with OEM primary\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eNot compatible with EFI models\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 55530\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Cross-Reference:\u003c\/strong\u003e 29970-88\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 32 amp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 2 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 3 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China (Mainland)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Softail, Dyna, and FLT models 1981–1999 with OEM primary housing. Not compatible with EFI-equipped models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my 1999 Dyna with fuel injection?\u003c\/h3\u003e\n\u003cp\u003eNo — this stator is not designed for EFI applications. EFI models require a different stator.\u003c\/p\u003e\n\u003ch3\u003eWhat voltage does this regulator output?\u003c\/h3\u003e\n\u003cp\u003e14.25V at idle, designed for maximum charging output and to support aftermarket electrical upgrades.\u003c\/p\u003e\n\u003ch3\u003eDoes the vented rotor make a difference in performance?\u003c\/h3\u003e\n\u003cp\u003eYes — the vented design improves heat dissipation, allowing the stator to run cooler and maintain peak output longer under load.\u003c\/p\u003e\n\u003ch3\u003eWill this work with my OEM primary housing?\u003c\/h3\u003e\n\u003cp\u003eYes — the narrow profile of both rotor and stator is designed to fit existing OEM primary housings on compatible models.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872157807,"sku":"139-10019","price":141.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/dbec-5dea7f8fb99f5.jpg?v=1777529916"},{"product_id":"compufire-stator-32-amp-twin-cam-1999-2003-except-efi-139-10020","title":"Compufire Stator - 32 AMP Twin CAM `1999-2003 (except Efi) — Harley-Davidson (1999-2003)","description":"\u003cp\u003eCompufire 32-amp stator for Twin Cam Harley-Davidson engines 1999–2003, designed to work with OEM primary drives on Softail, Dyna, and FLT models. Vented rotor design dissipates heat for sustained high output and regulated 14.25V from idle.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e32-amp output capacity\u003c\/li\u003e\n  \u003cli\u003eVented rotor for heat dissipation\u003c\/li\u003e\n  \u003cli\u003eHigh output voltage regulator (14.25V at idle)\u003c\/li\u003e\n  \u003cli\u003eNarrow profile fits OEM primary without modification\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 55534\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548032\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 32 amp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 2 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 3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson Twin Cam Softail, Dyna, and FLT models 1999–2003 with OEM primary drive. Not compatible with EFI applications.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my 1999–2003 Twin Cam Softail with stock primary?\u003c\/h3\u003e\n\u003cp\u003eYes — the narrow rotor and stator profile fit OEM primary drives without modification.\u003c\/p\u003e\n\u003ch3\u003eCan I use this on an EFI model?\u003c\/h3\u003e\n\u003cp\u003eNo — this stator is not designed for fuel-injected Twin Cam engines. EFI models require a different part number.\u003c\/p\u003e\n\u003ch3\u003eWhat voltage does it output at idle?\u003c\/h3\u003e\n\u003cp\u003eThe regulated output is 14.25V from idle, allowing for sustained high amperage output without overcharging.\u003c\/p\u003e\n\u003ch3\u003eDoes the vented rotor help with performance?\u003c\/h3\u003e\n\u003cp\u003eYes — the vented design reduces stator operating temperature, allowing it to maintain maximum 32-amp output consistently during riding.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872190575,"sku":"139-10020","price":283.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/de97-5dea7fc3bbbef.jpg?v=1777529917"},{"product_id":"compufire-40a-3-phase-charging-system-40-amp-vented-rotor-1981-1999-bt-139-10021","title":"Compufire 40A 3 Phase Charging System - 40 AMP Vented Rotor `1981-1999 BT — Harley-Davidson (1981-1999)","description":"\u003cp\u003eCompufire 40A 3-phase charging system with vented rotor for 1981–1999 Harley-Davidson Big Twin models. Produces 25 amps at idle and peaks at 40 amps above 2,800 rpm, with a vented rotor design that dissipates heat and keeps the stator running 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 14.25 V from idle\u003c\/li\u003e\n  \u003cli\u003eFits Softail, Dyna, and FLT 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 55560\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548056\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 Harley-Davidson Softail, Dyna, and FLT models from 1981 to 1999 equipped with OEM primary. The narrow rotor and stator profile are designed for direct compatibility with stock primary cases.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat amp output does this system produce?\u003c\/h3\u003e\n\u003cp\u003e25 amps at idle and 40 amps above 2,800 rpm. This higher output keeps your battery charged during highway riding and accessories use.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my 2000+ Harley Big Twin?\u003c\/h3\u003e\n\u003cp\u003eNo — this system is designed for 1981-1999 models. Newer Big Twins require updated charging systems.\u003c\/p\u003e\n\u003ch3\u003eCan I use this with an aftermarket primary?\u003c\/h3\u003e\n\u003cp\u003eThis system is designed for OEM primary cases due to the narrow rotor and stator profile. Verify fitment before ordering if you have a non-stock primary.\u003c\/p\u003e\n\u003ch3\u003eHow does the vented rotor help performance?\u003c\/h3\u003e\n\u003cp\u003eThe vented rotor design dissipates heat more efficiently, keeping the stator cooler and allowing the system to maintain maximum output for longer periods.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872223343,"sku":"139-10021","price":613.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/6c98-5dea7fc75d4c8.jpg?v=1777529917"},{"product_id":"compufire-40a-3-phase-charging-system-40-amp-vented-2003-2006-tc-ex-06-dyna-139-10022","title":"Compufire 40A 3 Phase Charging System - 40 AMP Vented `2003-2006 TC (ex 06 Dyna) — Harley-Davidson (2003-2005)","description":"\u003cp\u003eCompufire 40A three-phase charging system for 2003-2006 Harley Twin Cam models, delivering 25 amps at idle and 40 amps above 2800 rpm. The vented rotor design dissipates heat to keep the stator cool and maximize output, backed by a high-output voltage regulator set to 14.25V from idle.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e40 AMP output above 2800 rpm, 25 AMP at idle\u003c\/li\u003e\n  \u003cli\u003eVented rotor for improved heat dissipation\u003c\/li\u003e\n  \u003cli\u003eHigh-output voltage regulator (14.25V from idle)\u003c\/li\u003e\n  \u003cli\u003eFits Softail, Dyna, and FLT models with OEM primary\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 55565\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548063\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9 in L × 8 in W × 8 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 11 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 2003-2006 Harley-Davidson Twin Cam Softail, Dyna, and FLT models with OEM primary. Does not fit 2006 Dyna models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my 2006 Dyna?\u003c\/h3\u003e\n\u003cp\u003eNo — this system is not compatible with 2006 Dyna models. Confirm your exact model year before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat's the output at idle versus highway speeds?\u003c\/h3\u003e\n\u003cp\u003e25 amps at idle, ramping to 40 amps at 2800 rpm and above for sustained highway riding and accessory charging.\u003c\/p\u003e\n\u003ch3\u003eDoes the vented rotor require special maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe vented design helps cool the stator naturally. Standard charging system maintenance applies — no special upkeep needed.\u003c\/p\u003e\n\u003ch3\u003eIs this a direct bolt-on replacement?\u003c\/h3\u003e\n\u003cp\u003eYes — fits Softail, Dyna, and FLT models with OEM primary without modifications. Verify your specific model year against the fitment list.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872321647,"sku":"139-10022","price":638.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/654f-5dea7fc45aee5.jpg?v=1777529917"},{"product_id":"compufire-40a-3-phase-charging-system-40-amp-vented-1999-2002-twin-cam-139-10023","title":"Compufire 40A 3 Phase Charging System - 40 AMP Vented `1999-2002 Twin CAM — Harley-Davidson (1999-2002)","description":"\u003cp\u003eCompufire 40-amp 3-phase charging system for 1999-2002 Harley Twin CAM engines, engineered to deliver 25 amps at idle and 40 amps above 2800 rpm. Made in the USA with a vented rotor design 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 design for heat dissipation\u003c\/li\u003e\n  \u003cli\u003eHigh-output voltage regulator at 14.25V from idle\u003c\/li\u003e\n  \u003cli\u003eFits Softail, Dyna, and FLT with OEM primary\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 55566\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548070\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9 in L × 8 in W × 8 in H\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 models including Softail, Dyna, and FLT chassis equipped with OEM primary due to the rotor and stator's narrow profile.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this fit my 1999-2002 Twin CAM Softail, Dyna, or FLT?\u003c\/h3\u003e\n\u003cp\u003eYes — if your bike has an OEM primary. The rotor and stator narrow profile are designed for OEM primary applications.\u003c\/p\u003e\n\u003ch3\u003eWhat amperage does this produce at idle?\u003c\/h3\u003e\n\u003cp\u003e25 amps at idle, then ramping to 40 amps above 2800 rpm for strong charging on highway rides.\u003c\/p\u003e\n\u003ch3\u003eHow does the vented rotor help?\u003c\/h3\u003e\n\u003cp\u003eThe vents allow air to cool the stator windings, preventing heat buildup and allowing the system to sustain maximum 40-amp output longer.\u003c\/p\u003e\n\u003ch3\u003eIs this made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — Compufire manufactures this charging system in the United States.\u003c\/p\u003e\n\u003ch3\u003eWill this work with aftermarket primaries?\u003c\/h3\u003e\n\u003cp\u003eThis system is engineered for OEM primary fitment. Verify primary compatibility before ordering if your bike has been modified.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872354415,"sku":"139-10023","price":651.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/990f-5dd6d87d43497.jpg?v=1777529917"},{"product_id":"compufire-40a-3-phase-charging-system-40-amp-non-vented-1981-1999-bt-evo-139-10024","title":"Compufire 40A 3 Phase Charging System - 40 AMP NON Vented `1981-1999 BT\/EVO — Harley-Davidson (1981-1999)","description":"\u003cp\u003eCompufire 40A 3-phase charging system for Big Twin and EVO Harley engines, delivering 25 amps at idle and 40 amps above 2800 rpm. Made in the USA with a vented rotor for heat dissipation and high-output voltage regulator set to 14.25V from idle.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e40 AMP output above 2800 rpm\u003c\/li\u003e\n  \u003cli\u003e25 AMP output at idle\u003c\/li\u003e\n  \u003cli\u003eVented rotor for heat dissipation\u003c\/li\u003e\n  \u003cli\u003eHigh-output voltage regulator (14.25V from idle)\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eCompatible with OEM primary due to narrow rotor and stator profile\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 55570\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548087\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 25A idle \/ 40A above 2800 rpm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Regulator:\u003c\/strong\u003e 14.25V from idle\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 1981-1999 Harley Big Twin and EVO engines in 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 1981-1999 Harley Softail, Dyna, or FLT?\u003c\/h3\u003e\n\u003cp\u003eYes — this system is designed for those chassis with OEM primary cases. The narrow rotor and stator profile ensure fitment without modifications.\u003c\/p\u003e\n\u003ch3\u003eWhat's the output at idle versus cruising speed?\u003c\/h3\u003e\n\u003cp\u003eThis system produces 25 amps at idle and builds to 40 amps once you exceed 2800 rpm, keeping your battery charged in all conditions.\u003c\/p\u003e\n\u003ch3\u003eDoes the vented rotor help with reliability?\u003c\/h3\u003e\n\u003cp\u003eYes — the vented rotor design improves heat dissipation, keeping the stator cooler and allowing the system to sustain maximum output longer.\u003c\/p\u003e\n\u003ch3\u003eIs this system made overseas?\u003c\/h3\u003e\n\u003cp\u003eNo — Compufire manufactures this 40A system in the USA.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872452719,"sku":"139-10024","price":613.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/d49d-5dea7fc3d5e34.jpg?v=1777529918"},{"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"},{"product_id":"compufire-electric-rotor-non-vented-1981-1999-bt-evo-oem-29957-81b-139-10026","title":"Compufire Electric Rotor - NON Vented `1981-1999 BT\/EVO (oem 29957-81b) — Harley-Davidson (1981-1999)","description":"\u003cp\u003eCompufire electric rotor for 1981-1999 Harley Big Twin and EVO engines, a non-vented OEM replacement (29957-81b). Direct fit for 32A alternator charging systems.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e32A charging system compatible\u003c\/li\u003e\n  \u003cli\u003eNon-vented design\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eDirect OEM replacement (29957-81b)\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 55600\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548117\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 in L × 2 in W × 8 in H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 1981-1999 Harley-Davidson Big Twin and EVO models with 32A charging systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat Harley models does this rotor fit?\u003c\/h3\u003e\n\u003cp\u003eHarley Big Twin and EVO models from 1981 to 1999 with 32A alternators. Check your OEM part number (29957-81b) against your bike's specification.\u003c\/p\u003e\n\u003ch3\u003eIs this vented or non-vented?\u003c\/h3\u003e\n\u003cp\u003eThis is a non-vented rotor. It is not compatible with vented alternator housings.\u003c\/p\u003e\n\u003ch3\u003eIs this an OEM Harley part or aftermarket?\u003c\/h3\u003e\n\u003cp\u003eCompufire manufactures this as a direct replacement for OEM Harley rotor 29957-81b. It meets OEM specifications.\u003c\/p\u003e\n\u003ch3\u003eWill this work with my stock alternator?\u003c\/h3\u003e\n\u003cp\u003eYes, if your bike has the original 32A charging system. Different amperage alternators require different rotors.\u003c\/p\u003e\n\u003ch3\u003eDoes installation require special tools?\u003c\/h3\u003e\n\u003cp\u003eYou'll need a rotor removal tool and basic hand tools. Professional installation is recommended if you're unfamiliar with alternator work.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872551023,"sku":"139-10026","price":166.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/37a7-5dea7fe971232_788110e1-35ac-471c-9792-35ff0257324a.jpg?v=1777529919"},{"product_id":"compufire-electric-rotor-non-vented-32amp-evo-replmt-for-aftr-mrkt-evo-motor-139-10027","title":"Compufire Electric Rotor - NON Vented 32amp EVO Replmt FOR Aftr Mrkt EVO Motor — Harley-Davidson (1984-1999)","description":"\u003cp\u003eCompufire electric rotor for V-twin EVO engines, engineered to work with 32-amp alternator charging systems and compatible with aftermarket EVO motor builds. Made in the USA and ready to bolt in as a direct replacement.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 32-amp charging systems\u003c\/li\u003e\n  \u003cli\u003eNon-vented rotor construction\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eFits aftermarket EVO motors\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 55650\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 694342548124\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 2 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 5 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles equipped with aftermarket EVO engines and compatible 32-amp charging systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this work with my stock Harley EVO engine?\u003c\/h3\u003e\n\u003cp\u003eThis rotor is designed for aftermarket EVO motor builds. Verify your charging system amperage (32A) and engine configuration before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat charging system does this work with?\u003c\/h3\u003e\n\u003cp\u003eDesigned to function with 32-amp alternator charging systems. Confirm your bike's alternator output matches before installation.\u003c\/p\u003e\n\u003ch3\u003eIs this a direct bolt-in replacement?\u003c\/h3\u003e\n\u003cp\u003eYes — it replaces the OEM rotor on compatible aftermarket EVO installations. Consult your engine builder or service manual for exact fitment on your specific build.\u003c\/p\u003e","brand":"Compufire","offers":[{"title":"Default Title","offer_id":53035872583791,"sku":"139-10027","price":166.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/37a7-5dea7fe971232.jpg?v=1777529919"}],"url":"https:\/\/vtwinbikers.com\/en-co\/collections\/compufire.oembed","provider":"Vtwinbikers","version":"1.0","type":"link"}