Xtreme ProMag Timer - Audible Indicator - Black - MSD ProMag Magneto 1030101 and base plate

and base plate

Common design to fit most late model chassis

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Xtreme ProMag Timer - Audible Indicator - Black - MSD ProMag Magneto 1030101 and base plateIt was just impossible to set the timing on a Sprint Car without running the engine until now. The ProMag is triggered by an inductive pickup and old buzz boxes do not work with inductive pick up ignitions. Safety First USA produces gauges and related components for sprint car applications. Their digital tachometers are available in both wired and battery powered versions. Product Description: Magneto Timing Box ProMag Timer Audible Indicator Black