Kinsler can be reached at
http://www.kinsler.com/index1.htm
I purchased my Speed Pro unit from Fodge Engineering. They had the best pricing I found and do a lot of conversions on Cobras. Their number is (916) 714-3111. Ask for Dan or Eric. They have both single 4 barrel throttle body conversions which are the most similar to a carb set-up, use the same air cleaner, etc. and also do the custom Weber-type individual runner systems.
Jody