Possible group buy: Gauging interest for..., ... Distributor block-off plug for those of us using crank fired ignition. Options

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I meant to post this up a long time ago, but never found the time. Now there's a potential need. I developed this part when I first did my SDS install, ran it for two years and it worked pretty great. It's an aluminum plug that plugs the port on the block for the distributor. This is great for anybody who is running some sort of crank fired ignition. I'm posting to see how much interest there would be in such a product for a group buy.
This is what I came up with originally.

The boss with the o-ring goes down into the port to seal it off, and the hole on the other end goes over the stud that holds the distributor clamp. This was a first draft. There would be some updates, including some pretty anodizing((IMG:style_emoticons/default/wub.gif)) and a jacking screw for removal, but the basic idea worked very well.
Price would probably be around $35 per part with anodize. Though that's not final, and if we can get a number of guys committed to a group buy, that price would likely come down. This thread is just to see if there's enough interest to make it worth my while. I'm hoping to get at least 20+ guys to sign up for this. Please reply if you would be interested. Thanks for your time.
Mark D.