5 PSI Fuel Pressure Safety 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.

• Heavy-Duty Specialty Switch
• Controls Fuel Pressure

Details:

• Adjustable: Yes
• Emission Code: 4
• Inlet Thread: 1/8NPT
• Max Amp Load: 8A
• Max Pressure Setting: 7 PSI
• Normally Open / Closed: Open
• Set Pressure: 4 PSI
• Warranty: Manufacturer's Limited 90 Day Warranty