The FSD and Yellows don't share any parts. In fact the yellows have a larger diameter shaft and the need to modify the spring perch and strut perch washer to work. They also have a unique spacer that needs to be installed in the proper orientation on the shaft.
Wish the included instructions had been any help.....lol
They are just rear shocks. Have them take one off, pay attention and reverse the order to put the new Konis in. It should not be that hard since the are only held in with 3 bolts.
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