Need help on spark plugs

[portedsnake]

Hi everyone I got an 03 cobra about to hit 80k miles. Want to do a good tune up or what not, can someone help me out on which spark plugs to use for the best power and well of course for the best price??? THANKS EVERYONE

 

[Jimmysidecarr]

Hi everyone I got an 03 cobra about to hit 80k miles. Want to do a good tune up or what not, can someone help me out on which spark plugs to use for the best power and well of course for the best price??? THANKS EVERYONE

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