Iridium Spark 41 993 19256067 Chevrolet Review

Myb2010 GMC Sierra 1500 SLE Random misfires occurred. I checked my spark plugs and found them to be in good condition on the used side. They look like they were factory originals that got to my truck 112,000 miles ago. I wanted original Delco AC forks and wouldn't settle for anything less than platinum or iridium quality. After several searches on the internet I decided to buy these plugs from this seller. The supplier had excellent reviews, so I went with them. The parts were shipped almost…