your meant to be able to get 100,000 kms from the iridium. which makes sense when you look at where they are on the v6. bosch also make them but they are spelt different. yttrium. something like that. round the $20 mark each. ngk $11. i went to repco two days ago for spark plugs. they only have 2 part numbers form vz (v6) spark plugs. ngk & bosch iridium. so i think they are standard. cost more to buy but less in the long run cos you don't have to replace them as often and less labour.
Last edited by VZ219; 20-03-2007 at 10:33 PM.
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