Not any more, they have some newer products and it's a lot faster.
Optional: Claybar or Fusion
1. Z-AIO Wipe it on, let it dry, buff.
2. Z-CS Just wipe it on, no buffing.
3. Z-8 Just wipe it on, no buffing.
If you wish, add a coat of Z-2 Pro and then Z-6 between #1 and #2.