ck7321 Holley Carburetor Kit
Made in USA. Ethanol compatible.
Includes secondary diaphragm, idle mixture screws and other parts as shown.
First design Holley modular 4 barrel with internal needle/seats.
Includes printed instructions.
Made in USA. Ethanol compatible.
Includes secondary diaphragm, idle mixture screws and other parts as shown.
First design Holley modular 4 barrel with internal needle/seats.
Includes printed instructions.
Note: Part # ck7321 was previously ck4221.
Also available
Parts listed here may not fit all applications. Check carburetor number listings before ordering parts.
Applications
| Carburetor List Number | Application | OEM Number |
| R-1272 | 1957 Ford, Merc. and T-Bird, 312 Eng. | ECZ-9510Y |
| R-1272-1A | 1957-58 Ford, Merc. and T-Bird, 312 Eng. | ECZ-9510AC |
| R-1273-1A | 1957-58 Ford, Merc. and T-Bird, 312 Eng. | ECZ-9510AD |
| R-1273-2AAS | 1957-58 Ford, Merc. and T-Bird, 312 Eng | B3AE-9510A |
| R-1273A | 1957 Ford, Merc. and T-Bird, 312 Eng. | ECZ-9510V |
| R-1426A | 1958 Merc., 383 Eng. | EDG-9510C |
| R-1616A | 1958 Merc., 383 Eng. | EDG-9510E |
| R-1619-1A | 1958 Edsel, 410 Eng. | EDH-9510A |
| R-1619A | 1958 Edsel, 410 Eng. | EDH-9510A |
| R-1734A | 1958 Edsel, 361 Eng. | 5750894 |
| R-1735A | 1958 Edsel, 361 Eng. | 5750895 |
| R-1736A | 1958 Merc., 383 Eng. | 5750890 |
| R-4679A | 1970 I.H.C., 401 Eng. (Rear Eng. School Bus) W/VAC. Gov. | 391938-C91 |
Typical carburetor serviced with this carb kit
Carburetor Numbers
R1272
R1273
R1550
R1551
R1732
R1733
R1273
R1550
R1551
R1732
R1733