These 6AN to 6AN straight couplers are perfect for connecting fuel lines in custom automotive setups. You get 4 pieces in the set, all made from aluminum with a nice black anodized finish that resists corrosion. They're male-to-male flare fittings that create a secure, leak-free connection between two female AN6 hoses or ports. Brand new in original packaging, with a 1-year warranty for peace of mind. Manufacturer part number is AN6 to AN6 Straight. The anodized surface isn't just for looks - it helps prevent seizing and makes them more durable. Perfect for fuel systems, oil lines, or even coolant setups in performance cars, motorcycles, or race vehicles. Can be installed anywhere on the vehicle (front, rear, left, right) wherever you need a straight connection. Much better than cheap plastic fittings that might fail under pressure. Whether you're building a custom fuel system or just need reliable replacements, these fittings deliver solid performance. Easy to install with proper AN wrenches - just don't overtighten! Quality fittings that won't let you down.