Quick Connect 6AN AN6 Male To 3/8", 5/16" AN8 8AN Quick Disconnect Male Push On EFI Fitting Adapter Aluminum Black Application: Fuel Line EFI Adapter Fitting -6 AN Male to 3/8", 6AN Male to 5/16" Quick Disconnect push hardline. Fuel Line EFI Adapter Fitting -8 AN Male to 3/8, 8AN Male to 5/16" Quick Disconnect push hardline. Specification: These EFI fuel fittings are made of aluminum or plastic and they are coated in a durable corrosion resistant plating an polished to a mirror finish. COLOR:Black Material: Aluminum Package Included: 1 x Fuel Line EFI Adapter Fitting. Note: Provide Tracking Number With Every Order, Please Buy With Confidence! No installation guides are included, we highly recommend to seek professional installation. Any damage during installation will not be refunded. Will come with everything you see in the picture. Please allow difference due to manualmeasurement. Please check that the picture matches before purchase. The color of the actual items may slightlydifferent from the listing images due to different computer screen, thanks for your understanding. For any inquiries or special requests such as larger amount ordering please write to us.