
Bought these for my 390 AMX. Driven 6 times since purchase last summer. The engine ran worse each time. I just wanted to get the plugs out. Before removing the wire from the candle, I twisted the spark plug cap. Both cables I tried to remove came apart. I want to add a picture so you can see that the connectors have only been compressed around the wire. They were not properly clamped in the wire jacket. What a waste of time. don't waste yours May be out of warranty even though they have about 200 miles on the odometer and are 8 months old.

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