Service Holley 4053 CARBURETOR date code 3119. This is a Camaro carburetor. The number above that in the picture is the General Motors id number 3923289-DZ. 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. Found primarily on DZ 302 Camaro. In the Holley catalog, this is also applicated to 396 427 and the L-28 motor. Before this leaves our facility it will be test run on our motor to ensure a trouble-free installation.