COMPUFIRE SKU: 139-10027

Compufire 32 Amp Non-Vented Electric Rotor - Harley Evolution Aftermarket Motors

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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.

The Compufire 32 Amp Non-Vented Electric Rotor is engineered for aftermarket Evolution V-twin engines, providing a reliable charging solution. This rotor is a direct replacement, designed to integrate seamlessly with 32-amp alternator systems. It's built in the USA and ready to bolt in, ensuring your custom build has the power it needs.

Why riders pick this

  • Designed for aftermarket Evolution V-twin motors
  • Compatible with 32-amp charging systems
  • Non-vented rotor construction
  • Direct bolt-in replacement
  • Made in the USA for quality

When you're building out an aftermarket Evolution motor, every component needs to pull its weight. The Compufire 32 Amp Non-Vented Electric Rotor delivers the consistent performance required for a robust charging system. It's purpose-built for those running a 32-amp alternator, ensuring stable power delivery to all your V-twin's electrical components.

Reliable Power for Custom Builds

  • Engineered specifically for 32-amp charging systems
  • Non-vented design for durability and consistent operation
  • Direct replacement fitment for aftermarket Evolution engines
  • Proudly made in the USA for quality assurance

Optimized for Performance and Longevity

This Compufire electric rotor isn't just a replacement part; it's an upgrade designed for the demands of a performance V-twin. Its construction focuses on reliability, crucial for engines that often see more aggressive riding. Pairing this rotor with a compatible 32-amp system ensures your battery stays topped up and your electrical accessories run without issue, keeping your focus on the road ahead.

Specifications

  • Brand: Compufire
  • Manufacturer Part #: 55650
  • UPC: 694342548124
  • Length: 8 in
  • Width: 2 in
  • Height: 8 in
  • Weight: 5 lbs

Common questions

Will this rotor work with my stock Harley Evolution engine?

This Compufire rotor is specifically designed for aftermarket Evolution motor builds. Please verify your charging system amperage (32A) and engine configuration to confirm compatibility.

What charging system output is required for this rotor?

This electric rotor is designed to function with 32-amp alternator charging systems. Confirm your bike's alternator output matches this requirement before installation.

Is this rotor a direct bolt-on replacement?

Yes, this Compufire electric rotor is designed to be a direct bolt-in replacement for compatible aftermarket Evolution engine installations. Always consult your service manual for specific installation procedures.

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.
BRANDCompufire
TYPEElectrical
SKU139-10027
WEIGHT5.0 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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