Hi guys,
I bought 4 NGK IZFR6K-11 spark plugs for my FD1. I have just realised the recommended spark plugs has a "S" at the end. Can I still use them or I have to get the one with the "S" at the end.
Cheers..
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Thread: NGK IZFR6K-11 vs IZFR6K-11S
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