This is an engineered adapter plate that joins the Weber DCOE carburetor with the standard aluminum 190 SL air log. This adapter correctly vents the float bowl vent into the air stream ahead of the primary venturi. The adapter also has a hole to utilize the original air log support brace. The kit includes two adapter plates with M6 studs to connect to the air log and Allen head bolts to connect the adapter to the carburetors. ll nuts and lock washers are included.