Adjustable Pressure Switch, 50 PSI Adjustable Pressure, Normally Open f body and a Flow FX "straight-through"

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

such as Holley part number 558-104

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

The system is constructed from 409S stainless steel and is finished off with a pair of large 4

Adjustable Pressure Switch, 50 PSI Adjustable Pressure, Normally Open f body and a Flow FX "straight-through"50 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.