Part Numbers: Fit for N811313S431, W707747S431, W701706-S2.
Application: Compatible with Ford 1996-2017, for Lincoln 1998-2014, for Mercury 2001-2011 on 4.6 / 5.4/ 6.8 engines.
Material: Exhaust Manifold Bolt Studs and Nuts are made of premium quality steel, strong and reliable, not easy to break or deform, can be used for a long time.