Wow that is expensive. Good to know that block of case is available, thank you for the link.
I'm still weighing some options.
I'm also looking into the HACman kit for the Bing 54 Carbs. Does anyone have an experience with this? The airfield I am at is at 3,300msl and to climb over the first mountain ridge to get down the mountain I have to climb to about 6,000msl. I feel like having some more adjustability would really help that little 582