Which of these spark plugs are better?
11-10-2008, 12:43 PM
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Which of these spark plugs are better?
I saw two types of spark plugs available at mazsport. i looked at both leading and trailing and for each L and T, the offered two different designs. is this one 
which one is better left or right? the one on the right is only 13-15$ and the l;eft one is $40
which one is better left or right? the one on the right is only 13-15$ and the l;eft one is $40
11-10-2008, 12:49 PM
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stick with the OEM spark plugs, the mazsport site should have RX-7 plugs on there as well. (which causes the confusion)
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