Y39 type 2bbl Rochester
Choke on Top

All Y39 (Choke on Top) type carburetors have two idle mixture screws. However, there are variations in the choke position, choke type, gas inlet position, type of linkage, and bore size.

Find the correct stock number by locating your engine size in the chart below. Click View Detail to see the actual carburetor pictures of the variations for the stock number chosen.

Year
Engine Type
Model
Carb Code
#
Cyl
Our
Stock #
Click to
View
Start
End
1970
1972
90
R2/ 2GC
L4
Y39-1
1972
1982
120
R2/ 2GC
L4
Y39-1
1970
1982
140
R2/ 2GC
L4
Y39-2
1970
1981
165(6CYL)
R2/ 2GC
L6
Y39-2
1983
1989
120/2.5L
R2/ 2GC
L4
Y39-3
1983
1989
140/3.0L
R2/ 2GC
L4
Y39-3
1971
1977
888
R2/ 2GC
V-8
Y39-4
1975
1977
233MCM & MIE
R2/ 2GC
V-8
Y39-4