Feature Fitment: Works With Ford All 6.0L Oil Rails 2003-2007 Function: This kit will help you to repair the oil rail leak without replacing the entire rail. Any worn injector O-rings will need replaced. Direct replacement to work in an easier way can save your time and money. Material: The socket is made of Hardened 4140 Impact Grade Steel with great durability, impact and wear resistance, anti-rust. Great Design:This kit will help you to repair the oil rail leak without replacing the entire rail.Any worn injector O-rings will need replaced. .