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Apex Aero slick-style ignition harness for 4- and 6-cylinder aircraft engines

Apex Aero LLC designs and builds premium slick-style ignition harnesses for the aviation industry. Apex harnesses are engineered to deliver spark energy where it belongs – to the spark plugs – and nowhere else.

  • Experimental available Fall 2025, Certified to follow

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  • $400-$600

 

  • (ISP) Ignition System Polymer harness cap

    • 29% shorter than legacy Slick-style cap

    • Captive O-ring

    • Captive Fasteners

    •  Lightweight

 

  • Provision for magneto pressurization

 

  • High altitude silicone sealing grommets

 

  • Double extruded silicone, graphite core ignition leads    

 

  • Serviceable leads (replacement parts available)

 

  • 4 and 6-cylinder, automotive and aircraft spark plugs (5/8 and 3/4)​

Please complete the form below to get on our waiting list for purchase. Expected fall 2025.

SureFly electronic ignitions for 4- and 6-cylinder aircraft engines
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© 2025 by APEX

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