Many think the NGK Platinum spark plugs are the best for our trucks. But there are a few brands mentioned in these threads:

http://www.vehicross.info/forums/sho...ht=spark+plugs

http://www.vehicross.info/forums/sho...ht=spark+plugs

http://www.vehicross.info/forums/sho...3&postcount=10

http://www.vehicross.info/forums/sho...ht=spark+plugs

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