It will bolt up but you will have to get the coilover setup along with the strut top relocator as the 88 strut towers are closer and the strut mounts about an inch or so forward towards the front than the 84-87 strut towers are so the stock 88 coils will hit the tower and the camber will be out of spec
http://www.heldmotorsports.com/88cradle.htm If you are on budget you can mod the original 88 strut ears where they mount to the knuckles and bring the camber geometry back into spec and use the original the 88 coils in the stock 84-87 strut mount location
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[This message has been edited by Erik (edited 08-12-2003).]