Just get Magnecor wires they fit right and last longer. They cost more but are well worth the money.
I personally know of 3 people (1 being me) who had FMS wires nad had replace them in under 40K miles. Some people report that the FMS wires work fine but I have seen more than a few on here who had similar problems I had. I have never seen anyone post saying they had Magencors fail like that so why bother with having to dremel or zip tie or whatever to get fms wires to work? Just my $.02