The 2G GSX & RS calipers use a banjo bolt fitting, on the 1G dual piston calipers & base model 3000GT calipers the brake lines just screw in to the caliper. If you got 3000GT lines they would screw into the caliper but I dont know if they would fit correctly on the other end where it connects to the hard line. Use search and look up 3000GT brakes, theres info about how to use washers or cut the bolt a little on the 2G brake lines so they will work with the 1G or 3000GT calipers.