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Triumph Norton BSA Boyer Power BOX Regulator Rectifier Battery Eliminator PN# TBS-3572A P/BOX00108


Availability: In stock

The cream of the crop for solid state regulators to suit vintage British motorcycles!

We’ve had countless inquiries regarding running Triumph, Norton and BSA motorcycles battery-less with an electronic ignition…here’s the solution! This Boyer powerbox eliminates your stock rectifier and Zener diode, providing bulletproof solid state reliability in a compact, easy to install package (with installation instructions). Compatible with 12v single phase charging systems, can be used with or without a battery.*

*Caveat; your charging system needs to be in top notch condition to run battery less with an electronic ignition! If your alternator and rotor are still the originally fitted equipment or even older units, the output may not be sufficient to allow your bike to run properly.

For this same power box with lighting delay circuitry click here

For other regulators we stock click here

For stators click here

We realize that electrics can be confusing at the best of times so if you have any doubts about what you need don’t hesitate to call.

Please note: Due the nature of the product, we unfortunately do not accept returns on bearings, service tools or electrical components. Please be confident about your purchase before ordering. If you have questions, please contact us.

Questions about converting your 6-Volt British motorcycle to 12-Volts? We have a tech blog packed with info here.

Do you have questions about Solid State Regulators? Check out our video below: 

Check out our YouTube Channel for more videos and insight on fixing your vintage Triumph motorcycle.


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