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H-3 Eight Cylinder Magneto

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Calculated at checkout

Product Description

The H-3 magneto is the most powerful and lightweight Vertex style magneto on the market today. This magneto incorporates state-of-the-art rare earth magnets, custom designed internal and external coils, lightweight aluminum base, and redesigned cap. Produces 4.5 in standard form and can be increased to 8 amps for short duration racing applications.


  • Can run increased plug gap for more exposure to air/fuel mixture
  • Includes specially wound high performance external coil
  • Stronger bottom-end response
  • Twice previous amperage of standard external coil magnetos
  • Less heat build up
  • Lighter

Note: All magnetos are custom built to order and may take 2-3 weeks for delivery. If you require one sooner please call us before ordering at (916)635-5387 and we will try and accommodate.