Fit for Ford 7.3L Powerstroke Engines 1999 2000 2001 2002 2003.
Function: It can recheck the fuel pressure to ensure extended fuel injector service life
Material: the pressure relief valve oring is made from high quality solid aluminum, Professional Installation is Highly Recommended (No Instruction Included)
Ensure: If there is any problem, please contact us and we will offer you a satisfied solution like a new set as soon as possible