Sunweb Aluminum Adjustable Fuel Pressure Regulator With Gauge Silvery Material: Aluminum Type: Fuel Pressure Regulator Vacuum Hose Nipple: 4.5mm Finishing: Hard Anodized Package content: 1 x Fuel Pressure Regulator;2 x Fitting [AN6 1/8 NPT ];2 x Hose nipple [#8 straight 1/8 NPT ];1 x Fuel Pressure Gauge