Dyna’s ignition coils provide spark voltages in excess of 30,000 volts and spark energies second to none. Generally regarded as very powerful and virtually bulletproof, these coils are available in two mold shapes; replacement Harley® style or Dyna’s familiar post-mount type with angled plug towers. The post-mount coils are generally used on racers and require custom mounts or some fabricating. The 6 volt, 1.5 ohm coils work well on dual plugged engines running dual-fire ignition systems that require 3.0 ohms coils. When wired in series, the ignition reads the two coils as one 12 volt, 3.0 ohm coil.
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Dynatek Twin Fire® coils are designed to be used with single-fire microprocessor equipped (electronic advance) ignitions. Dyna’s Twin Fire coils feature the same fast rise times, high energy and 30,000+ volts output as their other popular coils. The advantage of using a Twin Fire coil is it is actually two coils in a single housing, designed to bolt to stock mounts and simplify coil mounting in single-fire applications. Each outlet operates independently of the other (front cylinder, rear cylinder). A four outlet model is also available for dual plug, single-fire use. The 4-tower coils are slightly larger than the 2-tower coils; stock coil covers will not fit without an optional coil cover bracket. These coils are NOT designed to be used with Dyna ‘S’ or other mechanical advance ignitions. Not for use on Twin Cam® applications except where noted.
