4.6 & 5.4 Liter Coil Pack Stainless Steel Bolt / Screw Replacement Kit - Replaces W711062S437 - If you have a 4.6- or 5.4-liter engine with individual coil packs (8 coils) then these screws will replace the stock ones that rust and become difficult to remove. You will receive eight stainless steel bolts and flat washers. It is always a good idea to use anti-seize on an application like this, it can be found in any good auto parts store.