Review on Edelbrock 2696 Square-Bore to Spread-Bore Carburetor Adapter, Multi, One Size - Enhancing SEO by Billy Berry

Bought because another website said you could also use this to install an expansion port (quadrajet) on a square inlet. This happens on a fairly standard engine and we wanted to keep the 4 hole gasket so we wouldn't mix up the air signal. I was able to get it to work, but I had to fiddle around a bit by drilling and enlarging the holes. The end result, it works well, just note that it is designed for a square bore carburetor to widen the inlet. Good fit and finish and fast shipping.