Compu-Fire
Compu-Fire is a trusted name in high-performance motorcycle ignition systems, charging components and starter upgrades for Harley-Davidson models. Known for reliable spark delivery, stable voltage output and strong cranking power, Compu-Fire products help improve starting efficiency, electrical stability and overall engine response. From single-fire ignition modules to high-output starters and 3-phase charging systems, the brand provides dependable solutions for street, touring, and performance-built Harleys.
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Out of stock
Compu-Fire - 55125 - Voltage Regulator 22A - Harley Davidson
Compu-Fire
$184.97Compu-Fire - 55125 - Voltage Regulator 22A - Harley DavidsonFeaturesNew generation series regulators reduce load on stator and decrease engine dragWhen not charging, regulator goes to an open...$184.97 -
Compu-Fire - 55120 - Voltage Regulator 32A - Harley Davidson
Compu-Fire
$235.95Compu-Fire - 55120 - Voltage Regulator 32A - Harley DavidsonFeaturesNew generation series regulators reduce load on stator and decrease engine dragWhen not charging, regulator goes to an open...$235.95 -
Compu-Fire - 55534 - Replacement Stator - 32A Charging System Kit - Harley Davidson
Compu-Fire
$293.48Compu-Fire - 55534 - Replacement Stator - 32A Charging System Kit - Harley DavidsonFeaturesReplacement stator for 32A charging systemsSpecsAmps32 AColor/FinishUnfinishedProduct NameStatorRiding...$293.48 -
Out of stock
Compu-Fire - 55405 - Stator - 40A 3-Phase - Twin Cam
Compu-Fire
$271.83Compu-Fire - 55405 - Stator - 40A 3-Phase - Twin CamFeaturesReplacement stator for Compu-Fire charging kits, part #s 2112-0098, 2112-0152 and 2112-0153SpecsAmps40 ABattery Voltage12 VUnitsEachProduct...$271.83 -
Compu-Fire - 55522 - 32A Charging System Kit - Harley Davidson
Compu-Fire
$775.34Compu-Fire - 55522 - 32A Charging System Kit - Harley DavidsonFeaturesKit includes stator, rotor and a black series-type regulatorSeries-type regulator reduces load on stator and decreases engine...$775.34 -
Compu-Fire - 55576 - Charging - System - 40A
Compu-Fire
$660.61Compu-Fire - 55576 - Charging - System - 40AFeaturesProvides 25 A at idle and 40 A continuously above 2800 rpmUnique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most...$660.61 -
Compu-Fire - 55404 - Replacement - Stator
Compu-Fire
$267.48Compu-Fire - 55404 - Replacement - StatorFeaturesUnique narrow stator fit into Softail/Dyna/FLT primary cases as used by most custom builders and the voltage regulator bolts on the stock location...$267.48 -
Out of stock
Compu-Fire - 55566 - Charging - System - 40A
Compu-Fire
$674.63Compu-Fire - 55566 - Charging - System - 40AFeaturesProvide 25 A at idle and 40 A continuously above 2800 rpmUnique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most...$674.63 -
Compu-Fire - 55570 - Charging - System - 40A
Compu-Fire
$635.33Compu-Fire - 55570 - Charging - System - 40AFeaturesProvides 25 A at idle and 40 A continuously above 2800 rpmUnique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most...$635.33 -
Out of stock
Compu-Fire - 55565 - Charging - System - 40A
Compu-Fire
$661.95Compu-Fire - 55565 - Charging - System - 40AFeaturesProvide 25 A at idle and 40 A continuously above 2800 rpmUnique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most...$661.95 -
Out of stock
Compu-Fire - 55560 - Charging - System - 40A
Compu-Fire
$635.33Compu-Fire - 55560 - Charging - System - 40AFeaturesProvide 25 A at idle and 40 A continuously above 2800 rpmUnique narrow rotor and stator fit into Softail/Dyna/FLT primary cases as used by most...$635.33 -
Out of stock
Compu-Fire - 53886 - Gen lll Starter Motor - Harley Davidson
Compu-Fire
$884.62Compu-Fire - 53886 - Gen lll Starter Motor - Harley DavidsonFeaturesPowerhouse turns over a full 2 kW, while only drawing 175 A, and yet is encased in a short compact packageFeatures an extended...$884.62 -
Compu-Fire - 53705 - Gen lll Starter Motor - Harley Davidson
Compu-Fire
$915.49Compu-Fire - 53705 - Gen lll Starter Motor - Harley DavidsonFeaturesPowerhouse turns over a full 2 kW, while only drawing 175 A, and yet is encased in a short compact packageFeatures an extended...$915.49 -
Out of stock
Compu-Fire - 019-10045 - Pinion Gear - '94-'06 Big Twin
Compu-Fire
$96.55Compu-Fire - 019-10045 - Pinion Gear - '94-'06 Big TwinFeaturesReplacement pinion gearSpecsMaterialSteelNumber of Teeth10 TeethTypeStarterProduct NamePinion GearUnitsEachRiding StyleStreetFitment2005...$96.55 -
Compu-Fire - 53735 - Starter - Black
Compu-Fire
$585.24Compu-Fire - 53735 - Starter - BlackFeaturesPermanent Magnet Gear Reduction (PMGR) Prestolite-style starterMates to OEM starter gear case and output shaftProduces 1.6kW of cranking energy by using a...$585.24 -
Out of stock
Compu-Fire - 53730 - Starter - Chrome
Compu-Fire
$630.27Compu-Fire - 53730 - Starter - ChromeFeaturesPermanent Magnet Gear Reduction (PMGR) Prestolite-style starterMates to OEM starter gear case and output shaftProduces 1.6kW of cranking energy by using a...$630.27 -
Compu-Fire - 53810 - Starter - 1.6 Kw - Black
Compu-Fire
$876.81Compu-Fire - 53810 - Starter - 1.6 Kw - BlackFeatures1.6kW output allows easy starting with stock battery cablesProduces more cranking power for big-inch Twin Cam enginesOEM size for easy...$876.81 -
Compu-Fire - 53900 - Starter Motor - Gen lll
Compu-Fire
$915.49Compu-Fire - 53900 - Starter Motor - Gen lllFeaturesPowerhouse turns over a full 2 kW, while only drawing 175 A, and yet is encased in a short compact packageFeatures an extended jackshaft bolt,...$915.49 -
Compu-Fire - 53800 - Starter - 1.6 Kw - Chrome
Compu-Fire
$944.29Compu-Fire - 53800 - Starter - 1.6 Kw - ChromeFeatures1.6kW output allows easy starting with stock battery cablesProduces more cranking power for big-inch Twin Cam enginesOEM size for easy...$944.29 -
Compu-Fire - 53700 - Gen lll Starter Motor - Harley Davidson
Compu-Fire
$915.49Compu-Fire - 53700 - Gen lll Starter Motor - Harley DavidsonFeaturesPowerhouse turns over a full 2 kW, while only drawing 175 A, and yet is encased in a short compact packageFeatures an extended...$915.49 -
Out of stock
Compu-Fire - 22003 - Single-Fire Ignition System - Harley Davidson
Compu-Fire
$552.59Compu-Fire - 22003 - Single-Fire Ignition System - Harley DavidsonFeaturesEasy way to convert stock ignition systems to single-fire systemKits feature Compu-fire ignition module, high-output...$552.59 -
Out of stock
Compu-Fire - 22001 - Single-Fire Ignition System - Harley Davidson
Compu-Fire
$552.59Compu-Fire - 22001 - Single-Fire Ignition System - Harley DavidsonFeaturesEasy way to convert stock ignition systems to single-fire systemKits feature Compu-fire ignition module, high-output...$552.59 -
Out of stock
Compu-Fire - 54001 - Starter Gear Set '90-'93 Big Twin
Compu-Fire
$306.21Compu-Fire - 54001 - Starter Gear Set '90-'93 Big TwinFeaturesFeatures a 10-tooth pinion gear and an 84-tooth starter ring gear that produces 15% more starting torque than stock (9:66 ratio)...$306.21 -
Compu-Fire - 54002 - Starter Gear Set '94-'97 Big Twin
Compu-Fire
$267.59Compu-Fire - 54002 - Starter Gear Set '94-'97 Big TwinFeaturesFeatures a 10-tooth pinion gear and an 84-tooth starter ring gear that produces 15% more starting torque than stock (9:66 ratio)...$267.59 -
Out of stock
Compu-Fire - 54003 - Starter Gear Set '98-'06 Big Twin
Compu-Fire
$267.59Compu-Fire - 54003 - Starter Gear Set '98-'06 Big TwinFeaturesFeatures a 10-tooth pinion gear and an 84-tooth starter ring gear that produces 15% more starting torque than stock (9:66 ratio)...$267.59 -
Compu-Fire - 55150 - Voltage Regulator 38A - Harley Davidson
Compu-Fire
$295.85Compu-Fire - 55150 - Voltage Regulator 38A - Harley DavidsonFeaturesNew generation series regulators reduce load on stator and decrease engine dragWhen not charging, regulator goes to an open...$295.85
Compu-Fire Motorcycle Ignition & Charging Systems – High-Output Starters, Voltage Regulators & Electronic Ignition Upgrades
Compu-Fire has earned a respected position among Harley-Davidson riders and performance builders by offering ignition systems, charging components and starter assemblies designed for consistent and efficient operation. Their ignition modules, including both single-fire and dual-fire designs, are built to improve combustion quality, throttle response and idle smoothness. Riders often choose Compu-Fire ignition upgrades when tuning cammed engines, resolving spark issues or improving overall riding behavior.
The brand is also well known for its advanced charging system components that help eliminate voltage drops, dim lighting and electrical strain caused by added accessories. Compu-Fire voltage regulators, 3-phase stators and complete charging kits deliver stable output, strong battery recovery and cooler operating temperatures for long-term reliability. These upgrades are ideal for touring bikes, accessory-heavy builds and custom motorcycles that require consistent and dependable electrical performance.
Compu-Fire high-output starters, including the popular Gen III series, are engineered to provide powerful cranking performance even on high-compression engines. These starters reduce strain on the battery and help ensure fast and reliable ignition in all conditions. Additional components such as starter gear sets, rotors and solenoids support long service life and simplified maintenance. For riders upgrading a daily Harley, improving a performance build, or restoring electrical reliability, Compu-Fire offers proven solutions that deliver stable power, strong ignition performance and dependable starting every time.