I lined the rings up just for the photo to make a better comparison pic... Can't see any issues with them visually, and they all moved freely and everything... Still concerned with the interchangeability of the/new ones mind...
Thanks for the rebuild tip - I was planning on putting them back on the rods first before the barrel and struggling that way...
Taking the heads and barrels for vapour blasting tomorrow.. Looking forward to seeing the improvement with valves that actually seal
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