Ford Mustang Forum - View Single Post - Shelby GT500 spark plugs??
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post #1 of (permalink) Old 08-04-2013 Thread Starter
invasion1210's Avatar
Joined: Jun 2013
Location: Bakersfield
Posts: 3
Shelby GT500 spark plugs??

Want to change my plugs but dont know what to go with.. Intake, pulley, tune on 100 octane with a little spray. Any suggestions?

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