This is a 155 MPH speedo cluster for a Cutlass. Its $200 if you send a core in first. I know you can find factory 120 MPH clusters for cheaper and you dont have to send in a core, but they are getting harder to find.
Here is the link, http://www.gbodyparts.com/product_info.php?products_id=960&osCsid=813b190ad66270af3a774b612bb412b6
Here is the link, http://www.gbodyparts.com/product_info.php?products_id=960&osCsid=813b190ad66270af3a774b612bb412b6