Yep,

Let's see- cannot find my calipers...

The OD is 2.5, It's 2.25 ID on one side- about 1.2" deep. The other side is your ball joint OD (? 39.75mm). Make the whole thing 1.5" long. Very simple- especially if you can find a piece of scrape the right size. OD doesn't matter so much- you could use 2.75 or 3".

Michael

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Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E