Holley 1940 Identification Where Can I Find the LIST Number? Updated on 03/16/2021 Was this article helpful? Yes No Related Articles Holley 1940 Power Circuit Holley 1940 Jets Holley 1940 Idle Circuit Holley 1940 Carburetor Troubleshooting Holley 1940 Replacement Carburetor Holley 1940 Carburetor Rebuild Need Support?Can't find the answer you're looking for?Contact Support