Titek Innovations has released their ultra strong and durable AN adapter fittings which are perfect for oil and fuel lines. Each Titek AN fitting is designed to allow you to build your own oil and fuel lines by connecting flexible hoses and rigid metal tubing that carries oil or fuel. With Titek AN adapter fittings, yo do not need to worry about flaring and splitting tubing to make connections. Simply take the tubing and slide it into the tube nut, install ferrule and attach the tube end. Titek AN fittings come in various sizes and shapes.