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Versions of Generic piston and connecting rod, 3.5 in bore, petrol

Published versions never change. A new license, new data or new geometry is always a new version; people who used an older one keep it.

Drawing	Version	Change	License	Status	Published
	Version 2	GeometryAdded the piston with three ring grooves, wrist pin and bosses, the I-beam connecting rod and the split big end with cap and two bolts (plan and 3D).	CC0	Published	Nov 3, 2026
	Version 1	GeometryFirst version.	CC0	Published	Nov 3, 2026