Brand: Aeromotive Manufacturer's Part Number: 13107 Part Type: Fuel Pressure Regulators Product Line: Aeromotive GM LT-1 Fuel Pressure Regulators Automotive Fittings Part Number: AEI-13107 UPC: 00684980000085 Regulator Pressure (psi): 30-70 Regulator Style: Return Regulator Location: Fuel rail mount Boost/Vacuum Reference Port: Yes Boost/Vacuum Rise Ratio: 1:1 Gauge Port: Yes Inlet Quantity: 1 Regulator Inlet Size: Stock Inlet Attachment: Stock Outlet Quantity: 1 Regulator Outlet Size: Stock Outlet Attachment: Stock Return Attachment: Stock Fittings Included: No Regulator Material: Aluminum Regulator Color: Red Rebuildable: Yes Mounting Bracket Included: Yes Remanufactured: No Quantity: Sold individually. Description: Ensure peak performance from your muscle or sports car with an Aeromotive vacuum/boost reference fuel pressure regulator, designed for use with GM LT1 engines. Developed with LT1 specs in mind, these are true billet, fully adjustable regulators—featuring CNC-machined aluminum seats, ports, and stainless steel springs, custom-designed for precise fuel control. Order the model recommended for your vehicle.