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I couldn't find the NGK's awhile back when I was looking. I went w/ Autolite Platinums (as a "back-up") and haven't had any issues. However, from the reviews, I would still find the TR55's. As far as wires, the stock ones are great pieces and shouldn't need replacing just for a performance upgrade. However, if you're planning on changing them anyway, go with MSD as a first choice. They're available in red and black now and you can order them from Autozone for about $60. MSD makes the best ignition products and you can't beat the price with a stick. Chris