COMPU-FIRE Charging - System - 40A 55566

If you're running a fuel-injected engine or overdrive transmission on your Harley, your charging system needs to keep pace with increased electrical demands—and a stock alternator simply won't cut it. The COMPU-FIRE 40A Charging System delivers consistent, high-output power exactly when you need it most, ensuring your ignition, fuel pump, and accessories stay fully charged under all riding conditions. Best of all, it bolts into your existing primary case and regulator location with zero frame modifications required.

Built in the U.S.A. with precision engineering, this charging system is purpose-built for serious riders who refuse to compromise on reliability or performance.

• 25A at idle
• 40A continuous above 2800 rpm
• Fits Softail, Dyna, FLT cases
• 14.25V regulated output
• Precision-balanced vented rotor
• Enhanced stator cooling design
• Stock voltage regulator location
• No frame modifications needed
• Flanged seal spacer included
• Optimized for fuel injection
• Overdrive transmission compatible
• Made in the U.S.A.