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Ignition Leads & Extensions

BG is a market leader in ignition technology for reciprocating gas engines. BG offers a variety of spark plug extensions and leads to meet the specific needs of your engine configuration and operating environment. The below product guide describes industrial ignition leads and extensions for reciprocating engines. For turbine ignition leads, see the turbine products guide.

Unshielded Products

Unshielded Extensions
Product Line Description
BlackJack™ Patented BlackJack™ polymer is the next generation in ignition technology. Prevents dielectric puncture in severe applications. Standard and resistorized models available.

Available Models:
- Configure by spark plug type
- Caterpillar G3600 & G3520C engines
- Severe-duty engines w/telescoping terminals (Waukesha)
Ultima™ Ceramic insulator for severe applications. Generic models are available for most engine configurations.

Available Models:
- Configure by spark plug type
- Caterpillar G3600 & G3520C engines
- Severe-duty engines w/telescoping terminals (Waukesha, Caterpillar, Cooper)
Flash-Tite™ A PTFE extension for increased safety. Prevents disassembly of the lead from the spark plug while the engine is running. Accepted by regulatory bodies for use in the Gulf of Mexico.

Available Models:
- Configure by length
Flash-Fighter™ A heavy walled PTFE extension prevents ignition problems where smaller PTFE extensions fail.

Available Models:
- Screw-On and Snap-On models
Unshielded Leads
Product Line Description
BlackJack™ BlackJack™ leads integrate BlackJack™ technology into a complete cable assembly. Standard and resistorized models are available. BlackJack leads are rebuildable.

Available Models:
- Configure by coil type
Ultima™ Ultima™ leads offer the dielectric strength of an Ultima extension in a complete lead assembly.

Available Models:
- Configure by coil & spark plug type
Flash-Tite™ Flash-Tite™ leads combine the safety of a Flash-Tite™ connector with the increased protection of high-temp silicon hosing. Accepted by regulatory bodies for use in the Gulf of Mexico.

Available Models:
- Configure by coil type
Seal-On™ Seal-On™ Leads provide a direct connection between the coil and spark plug. Seal-On leads can also be used to connect the coil to a Flash-Fighter extension. Order complete lead assemblies or build your own leads with Seal-On kits.

Available Models:
- Configure by coil and spark plug type


Shielded Products

Shielded Extensions & Adapters
Product Line Description
All-Weather™ All-Weather™ extensions provide a high pressure seal that keeps out dirt and moisture. Allows for use of standard 3/4"-20 shielded spark plugs. CSA approved*

Available Models:
- Configure by terminal type
Cetra™ Cetra™ extensions provides a tight seal to top threaded spark plugs. Can be used with Cetra™ leads or conventional shielded leads. CSA approved*

Available Models:
- Configure by spark plug type
FM & M Series Adapters M and FM series adapters enable the use of standard shielded spark plugs with integral coils. CSA approved models available*

Available Models:
- M series for integral coils with 1"-20 male threads
- FM series for integral coils with 13/16"-20 female threads
Shielded Leads
Product Line Description
HT Leads BG's shielded spark plug leads are precision engineered for safer and more efficient engine operation. Most models CSA approved*

Available Models:
- Configure by coil and spark plug type
Cetra™ Patented design provides non-metallic internal shield that permits use of timing lights, oscilliscopes, and other monitoring devices. CSA approved*

Available Models:
- Configure by coil and spark plug type
Primary Leads BG shielded primary leads are available for Precision (Bendix), Fairbanks Morse, UTC (Bosch), Dynalco, and Murphy style coils. CSA approved*

Available Models:
- Configure by coil type

* CSA approved models are for use in Class I Division 2 Group D hazardous locations