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Champion Double Platinum plugs are a four-pack of platinum-tipped spark plugs aimed at older cars that need a long-lasting tune-up part. The double platinum design puts platinum on both the center and ground electrodes, which slows gap wear and stretches replacement intervals compared with standard copper plugs. They fit the 2.2L four-cylinder in the 1988-1989 Eagle Medallion and similar-era engines, and they suit owners of older cars who want a durable plug without paying for iridium. Reviewers generally find they start and idle well, though some say the platinum claim matters less than getting the correct heat range and gap.
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Lowest price we've seen: $35.87 on Nov 10 at Sixity Auto. Tracked across 1 store since Nov 10.
Owners of older cars report smooth starts and steady idle after fitting these plugs, and many like that they last longer than copper. Some say the benefit is modest and that correct gapping matters more than the platinum label.
