NGK iridium ix spark plugs.... yes or no
16 October 2011, 08:14 PM
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NGK iridium ix spark plugs.... yes or no
as above to go in a slightly modded v5 sti
16 October 2011, 08:27 PM
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Stick with NGK PFR7B plugs
16 October 2011, 08:33 PM
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As I've been told the iridium superseded the platinum plugs but heat grade 9 seems Anita high id stick with iridium but go for heat grade 7
16 October 2011, 08:33 PM
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where is the cheapest place to get them from mate,do you know?
16 October 2011, 08:37 PM
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NGK iridium ix spark plugs.... yes or no
