1, Function -- This steel braided turbo oil feed line connects your turbo chargers oil gallery to the engine, it drains the oil away from the bearings inside the turbo charger. 2, Features -- This line is 60 inches length, and the hose end is 4AN(0.4375” OD), comes with 1 Straight End and 1 90 Degree End. 3, Material -- We choose best quality materials to ensure top quality, Teflon lined core with heavy-duty stainless steel braided jacket wrapped on line, top quality stainless steel made hose ends. 4, Performance -- The premium materials ensure the oil feed line could withstand more than 200psi at 400 degree Oil Temperature.