With this adapter you can mount your ITBs with 46x46mm flange (Jenvey) to any Weber DCOE 45mm Intake Manifold.
You get 4 files:
1 Ensat + O-Ring (Backside + Frontside)2 M5 Core Hole + O-Ring (Backside + Frontside)
3 Ensat + O-Ring (Backside)4 M5 Core Hole + O-Ring (Backside)
For the assemble you need cylinder screws DIN 6912 and for the Ensat versionEnsat 307 M5