http://www.emi.cc/
Richard Clewitt is our supplier for the Electromotive products. Feel free to give him a call, or visit his website. He will (hopefully) send you back to us for the sale if you decide to go with that option:
http://www.clewett.com/
It seems expensive at first, but if you add up all the other costs (like a twin-plug distributor), this system is much, much better...
-Wayne