it all depends on what you get. the 90's Bonneville seats drop right in and fit perfect from what i hear and you will have to drill two holes on the 60 side to mount new ones, but the pan is already dimpled where they need to go. if you go with something a little different then it will need more work. i have a set of mid 90's power leather buckets out of Ford Taurus SHO and those needed a custom pedestal to get them to sit right. do some research and see what you want and what it is coming out of. i got no idea on center consoles though.