All Y38 type carburetors have an electric
choke and one idle mixture screw. However,
there are variations in the position of the gas inlet, the type of linkage,
bore size, and whether or not it has a 3/8 vacuum line.
Find the correct stock number by locating your engine size in the chart below. ClickView Detail to see the actual carburetor pictures of the variations for the stock number chosen.