Hello all, I was decluttering my room this afternoon and I found 4 Bosch super plus (Yttrium) spark plugs (part no. 7404) that I bought last year and completely forgot about. I was wondering if anyone would be able to help me as to wheter or not they would be ok to put into my MK2 Ford Focus (55 plate) 1.6 zetec hatchback petrol? I didn't have this car when I brought the plugs so doubt they will be right, but would just like a definite answer.
Many thanks in advance.
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