This is a set of 6 Champion Platinum Spark Plugs designed for a 1985-1987 Oldsmobile Calais with a V6 3.0L engine. The spark plugs are made of polished nickel and are vintage parts. They are performance spark plugs with a voltage of 12v, suitable for gasoline engines. The manufacturer part number is 7940, and they are interchangeable with OEM replacement spark plugs.
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