The product is a NOS Delco Remy Distributor Vacuum Advance specifically designed for Ford, Lincoln, and Mercury vehicles from 1957-1960. The brand Delco Remy is known for producing high-quality automotive parts, making this product a reliable choice for ignition system maintenance and repair. The manufacturer part number F-1304 indicates that this distributor vacuum advance is a specific fit for the mentioned vehicle models, ensuring compatibility and proper functionality. Open Box