Compufire 40 AMP 3-Phase Stator System - Harley Twin Cam
About Compufire
Compufire parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Compufire item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
Keep your Harley Twin Cam charged up with this Compufire 40-amp stator system. Engineered for reliable power delivery, it's designed to fit within your stock primary cover. This system ensures your V-twin has the juice it needs, whether it's a factory setup or running a full complement of accessories.
Why riders pick this
- 40-amp output for robust electrical performance
- Narrow profile fits seamlessly into OEM primary cover
- Vented rotor design for superior heat dissipation
- Consistent 14.25V output from idle
- Reliable charging for stock and modified Twin Cams
This Compufire 40-amp stator system is purpose-built for Harley Twin Cam engines, providing a robust electrical foundation. Its narrow profile ensures a direct fit inside the OEM primary cover, making installation straightforward without requiring modifications to your motorcycle's existing setup. The system is designed to maintain consistent output, crucial for powering both essential bike functions and any additional aftermarket electronics you've added.
Consistent Power for Your Ride
- 40-amp output capacity supports stock and modified electrical demands
- Narrow rotor and stator profile fits within the OEM primary cover
- Vented rotor design helps manage heat for sustained output
- High-output voltage regulator delivers 14.25V at idle for reliable charging
Engineered for Performance and Reliability
Compufire has developed this charging system to meet the demands of performance-oriented riders. The vented rotor is a critical design choice, actively dissipating heat to help maintain maximum output over long rides or in demanding conditions. Paired with a high-output voltage regulator, this system ensures your battery receives a steady 14.25V at idle, preventing drain and keeping your bike ready to ride. It's a solid upgrade for any Twin Cam owner looking for enhanced electrical reliability.
Specifications
- Brand: Compufire
- Manufacturer Part #: 55405
- UPC: 694342547998
- Output: 40 amps
- Voltage Regulator: 14.25V at idle
- Length: 5 in
- Width: 2 in
- Height: 8 in
- Weight: 3 lbs
Common questions
Will this stator fit my Twin Cam engine with the stock primary cover?
Yes, the narrow rotor and stator profile are specifically designed to fit inside the OEM primary cover without requiring any modifications.
What kind of output can I expect from this charging system?
This Compufire system provides a 40-amp output capacity with a voltage regulator that delivers a consistent 14.25V at idle, ensuring reliable charging.
Is this charging system compatible with fuel-injected Harley models?
No, this Compufire 40-amp stator system is not compatible with EFI (Electronic Fuel Injection) applications. Please confirm your motorcycle's fuel system before ordering.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Compufire |
| TYPE | Electrical |
| SKU | 139-10015 |
| WEIGHT | 3.0 lb |
