I am having the rear springs replaced on my 95' S350. I carry a 200 lbs load woth me at all times in the trunk and the car sags some what now in the rear. Can you tell me what the factory size is for the spring mounts? It could be four different sizes: The mechanic told me they could be like 4/32, 8/32 16/32, 23/32.

What is factory? Also, what should the labor cost to replace to to rear springs?

Thanks!:p

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