SKU: HLY12-810
UPC: 090127020296
MPN: 12-810
The Holley Electric Pump Safety Switch (Model 12-810) is a pressure-sensitive protection device designed for fuel system installations where electric fuel pumps are the primary feed source. This switch is ideal for custom carbureted engines, classic muscle car retrofits, and street performance upgrades. It plays a critical role in preventing fuel system failures by monitoring pump pressure in real time.
Built to Holley's exacting standards, this compact component operates on a mechanical principle that monitors fuel pressure delivered by the electric pump. If pressure drops below a critical threshold, indicating potential issues like fuel line ruptures or pump failures, the switch instantly cuts power to the pump. This action helps to mitigate the risk of fuel spraying into the engine bay or accumulating in the carburetor bowl, thereby reducing the fire risk associated with fuel system failures.
Racers, hot rodders, and street machine builders rely on this safety switch for added protection in carbureted setups running electric pumps. Its compact dimensions and lightweight design make it easy to install in tight engine compartments, ensuring that it does not add significant weight or complexity to the vehicle's setup. This switch is also valuable in restorations where original mechanical pumps are being replaced with modern electric options.
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