Thread: 351C Sparkplug Help!
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Old 04-29-2003, 02:57 PM
racer24 racer24 is offline
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Join Date: Dec 1999
Location: Dillon, IL
Cobra Make, Engine: CMC Cobra ,351-Cleveland, 375 hp
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you can use NKG ur4 stock # 6630 gap at .035

I have no problems with these plugs.

Rich
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