Adjustable Pressure Switch, 50 PSI Adjustable Pressure, Normally Open f body While some options will be

While some options will be digressive at lower speeds

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

and a Flow FX "straight-through" muffler is used for an aggressive to moderate sound level and maximum performance

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

Adjustable Pressure Switch, 50 PSI Adjustable Pressure, Normally Open f body While some options will be50 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.