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0310htp Optispark09 Z

This is a later style, serviceable cap. It is identified by the small vent tube located in-between the secondary lead mounting points.
LT-1 Ignition System - Getting to Know the Opti-Spark

 This is a later style, serviceable cap. It is identified by the small vent tube located in-between the secondary lead mounting points.  View Related Article

 

 

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