Original Holley 3837 CARBURETOR date code 6A3. This is a Chevelle SS 396 Carburetor. The number above that in the picture is the General Motors id number 3908957-EJ. Restored to its original Holley color, all of the steel hardware has been re-plated to the original finish. Carburetor retains the factory Holley calibration. Very hard to find with this late 1966 date code for a 1967 car. Before this leaves our facility it will be test run on our motor to ensure a trouble-free installation.