Description: Type: Fuel Rail Fitting Adapters Color available:Black Fitting Type: Fuel Injection Material: Aluminum alloy Size:6AN Male Flare To 3/8"SAE Designs: Spring Lock Connection Type: Push-On Application: fits stock return lines and supply lines of fuel filter and fuel rails Surface Finish: Anodized Fuel rail fitting adapters are designed to fit your stock return lines and fuel rails. They are made of aluminum alloy and are available in black anodized finishes. The adapters use the factory spring lock design with an outlet in AN size specifically made for braided stainless steel hose. Package Include: 2Pcs Fuel Rail Fitting Adapter .