M8*1.25 Exhaust Manifold Stud Nuts for Ford 5.4 F150 F250 Exhaust Studs and Nuts,Stainless Steel F-150 F-250 E150 E250 E350 Econoline Expedition Explorer Mustang Mercury 4.6L 5.4L N811313S431 48PCS.

About this item Compatiable With –Manifold stud kits will be a perfect replacement for Ford 1996-2017, for Lincoln 1998-2014, for Mercury 2001-2011 on 4.6 / 5.4/ 6.8 engines. Replace NO. –N811313S431, W707747S431, W701706-S2. Specification –Exhaust studs are made of premium stainless steel. Thread size: M8*1.25,length:50MM. Package Includes –16pcs exhaust studs and 32pcs serrated face flange nuts,The stud kits can install 2 Manifold. After-Sale Service –If There Is Any Problem With The Product, You Can Ask for Change order , Please Rest Assured To Buy.