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8 Jan 2026

3D Printed Igntition Cable Grommets

To get the upper ignition cables through to the plugs, they need to pass through the baffles. Section 47 shows these are "supplied with engine" - well, not in my case unfortunately. 


Spruce sells some designed for slick magneto leads, but since i am using 8.5mm MSD leads, these woudld need to be modified. The other issue, or the eye-watering cost! 


So the solution - over to OnShape! 

The part consists of 2 sections which overlap - and are held in with AN3 bolts. 

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The OnShape file can be accessed here.

My Dad 3d printed these on his resin printer, using 100c high-temp resin. 







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