2000 Chevy Cavalier Changing the Guage cluster

You would have to remove old cluster and fabricate a panel (generally aluminum) to fit. Cut holes in panel and use existing harness wiring to the extent you can. In other words the new gauges may require different senders.

Having said all that, you must be carefull not to interfere with sensors that send information to PCM, and you would have to get the odometer mileage set to correct number, otherwise it will flag an error on a carfax report if you ever sell it.