40 AMP CHARGING SYSTEM FOR BIG TWIN

Availability: Out of stock

Part #: 17838

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Weight: 9.77

3 phase type system produces 25 amps at idle and 40 amps above 2800 RPM. This amount of amperage provides a constant DC voltage of 14.25 from idle on up
Precision balanced rotor is vented to create better oil flow to the stator that helps to reduce the temperature by 50°
Large flange of the seal spacer provides additional support to the rotor without the use of a separate washer
Series-type regulator/rectifier is designed to reduce unnecessary drag on the engine by unloading the stator whenever the battery reaches full charge
Provides the off-idle power required for fuel injected models

Compu-Fire
Fits Big Twin 1970/1999 (except Twin Cam) with closed primary (oil bath type)
Note: 1970/1975 models will require a 2 bolt type regulator/rectifier mount & 1970/1981 models may require slight clearancing of the primary covers

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