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Johnson Iron Horse Heads



Cylinder Head
This head found on X100, X200 and X300 series engines.





Cylinder HeadCylinder Head
These heads found on X400 series engines. The one on the left is early style with the round blank beside spark plug hole.



Cylinder HeadCylinder Head
These curved fin heads found on X500 series engines. The one on the right with round blank is aluminum.

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Last modified:  08 / 03 / 2005