Go hear to read about the Carter recommendation...it goes for about $90.
http://www.racetep.com/webfuelspark.html#webfuel or you can go to Pegasus Racing and they list a Bendix there that is reasonable. Hasd nothing to do with or wothout Webers, both type of carb run off trhe same type of pump. I also used one of those small square type pumps for a number of years with no complaints.. FWIW