The plugs are NGK platinum. And I replaced the wires with the same NGK's that I took off. And the routing is good to the diagram. The lordco guy said that the gap was already set. and no, the check engine light has not come on. However, the low oil pressure light flickered on for a moment yesterday. But that is likely a completely different issue. I still have the other three plugs for the back, So I suppose Ill swap the 3 fronts out again?