Brand: Aeromotive Manufacturer's Part Number: 13013 Part Type: Fuel Pressure Regulator Conversion Kits Product Line: Aeromotive X1 Fuel Pressure Regulator Conversion Kits Automotive Fittings Part Number: AEI-13013 UPC: 00684980006575 Fuel Pressure Regulator Seat Size: 0.188 in. Pressure Range (psi): 35-75 psi Spring Included: Yes Quantity: Sold as a kit. Description: Convert your X1 regulator for use with a different fuel system, using one of these Aeromotive X1 fuel pressure regulator conversion kits. They are available in your choice of seat sizes and pressure range springs to fit your fuel system requirements.