I am almost positive that I paid ?30 for my ones guys! They were NGK platinum ones, I shall check if they are the stock ones and get back to you! I shall also check the price! My engine code is ARZ though, are there different plugs for the different codes?
I've been wondering whether I should run one grade cooler myself. Gary, have you had inspected your plugs to see what they look like? I've had experience of another car where the plugs were too cold and they always got fouled up with town driving. It was a right PITA.
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