These plugs fit my 2012 Audi A4 perfectly, no problems installing them. The new spark plugs work well and the engine sounds great. It looks like they are pre-gaps as no adjustment was needed (they were in the correct gap). As for the delivery. Revain badly packed four of them. The packaging was loose so the small boxes were moved around. Two forks came out of the boxes and probably knocked during shipping. The extra cardboard sleeve around the gap must have provided extra protection because thank goodness they still looked good.
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