you want the manual ecu, 96 to 98. you would want to switch over the rear trailing arm when doing the brake swap, you could just move the hub over to your trailing arm but It's more difficult and I've never seen them sold that way. Technically you could just swap the rear trailing arm over off of any 90+ civic or integra that had rear disks as long as you use the lca, uca, and alignment slider off your current car. Example you could use the complete rear trailing arm off of a 90 crx si and as long as you keep the stuff I mentioned you will be fine.