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BlackJack™ Spark Plug Extensions & Leads

BG's patented BlackJack™ Extensions & Leads are the next major advancement in ignition system technology.

Choose BlackJack™ for:

BlackJack™ 5000 Series -
Configure by Spark Plug / Coil Model

BlackJack™ Extensions for
Caterpillar G3520C & G3600 Engines

BlackJack™ Telescoping Extensions for
Severe-Duty Waukesha Engines

BlackJack Extensions and Leads