Adjustable Pressure Switch, 50 PSI Adjustable Pressure, Normally Open f body This unit features an Aluminum

This unit features an Aluminum shroud measuring 20 3/4" wide by 17 5/8" top to bottom and is only 3" in overall depth to offer a precision fit

The Edelbrock #60459 Performer RPM O-Port cylinder head is designed for Big-Block Chevy applications

the surplus synthetic rubber seals are not always compatible with current hydrocarbon fuels and/or additives

While some options will be digressive at lower speeds

Adjustable Pressure Switch, 50 PSI Adjustable Pressure, Normally Open f body This unit features an Aluminum50 PSI Adjustable Pressure Switch (Normally Open) You don't want to be blasting nitrous into the engine if fuel pressure is below what is required to supply the required extra fuel.