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I've recently swapped the Cup Suspension in my car for Bilstein HD's with H & R Springs. In anycase the Cup Suspension was too much for everyday driving especially on the roads in the North East.
From what I've been told this is the same set up used by Porsche in the 993 Cup Cars, not too sure about the spring rates. The only markings are found on the rear shock housing which is:
4200 BE5 2353T1
993 333 051 70
If anyone is interested I have images available, I'm looking for $1500.00 plus shipping.
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