The V9 bundle for 1F (verified on X50 stiffy) is made of 4 components. 

1. The Boot (V9) 
2. Z-Independent Bracket Systems  - Customized to fit a variety of machines, this bracketing system mounts onto your machine and provides the z-independent boot a vertical track for mounting onto.
3. Ultimate Hose Clamp - Highly modular hose mounting system that has a variety of attachments to the machine, reaching out to hold a 4" Hose.
4. 4" Maglock Round Adapter (Instructions can be found here)