403 rear suspension units
I have an Arnolt Bristol with suspension units in the same condition. I am about to try the same solution (different brand, but a 00 semi liquid grease). There was an article by Spencer Lane Jones sometime ago saying that new seals for these units are unavailable. Spencer Lane Jones rebuilds them by machining them for modern lip seals. Even after such a new seals Spencer Lane Jones recommended the use of semi liquid grease.
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