Ahhh thank you Charlie!!! So then I can not use the rear calipers I pulled from the 87 420SEL on the 300D I notice the hose set up is different. or can I ?

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-SpecialDelivery
1985 300CD Silver/Blue H&R Suspension (Sold, still cryin over that)
1982 300SD Silver/Blue '85 OM617 (Sold)
1982 300D - Blue/Blue (Sold)