Re: H-10 Champion spark plugs
Joe, the "C" stands for "copper core" plug. If I remember correctly,the copper core helps the plug to run cooler,to help eliminate pre-ignition from heat. I will call Lou( Early Ford V8) in the morning to see if he might have H-10s in stock. I agree, and do support local and in State vendors. In fact I just recieved an order from Early Ford V8 this evening. They give me the fastest shipping of any Old Ford Parts vendor that I have bought from! Thanks,Tom
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