Route 66, Did you try Hardy Spicer at Eagle Farm for the shortening of the drive shafts?.
Mine were shortened by the Kit supplier in WA and the tubing used is 75mm OD.
Have you spoken to Scott Hampson regarding the shortening of lower control arms?. He may know where you can get them shortened. He has worked on many many cobras with Jag suspension.
His site:
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Remember any mods to suspension bits need your engineers approval.