The product is a vintage GM diverter valve, specifically designed for 1978 Ferrari 308 GTS vehicles. It is a crucial component for controlling emissions and ensuring optimal performance. The diverter valve is a rare find for collectors of late 1960-80s GM vehicles, offering a unique and authentic piece of automotive history. Perfect for enthusiasts looking to maintain or restore their classic Ferrari 308 GTS to its original condition.
GM (General Motors) part number 7030761 is a diverter valve for the secondary air injection (smog pump) system. 
It was manufactured by GM and used as an OEM part on certain Ferrari models (primarily US-spec 308 GTS and related cars such as the 208 and Mondial with the 2.9L V8). The corresponding Ferrari part number is 111705. 
Key details
• Function: Part of the emissions/smog control system. It directs air from the air injection (smog) pump into the exhaust to help reduce emissions during cold starts/warmup. It typically works with check valves.
