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Review on High-Performance MAS ROUND Ignition Coils on Plug Pack Replacement for Chevrolet GMC V8 4.8L 5.3L 6L - Set of 8 by Michael Willis

Revainrating 1 out of 5

Poor quality, failed after 2 months

I ordered these as part of the OEM price, I expected them to last a couple of years at least. Oh god I was wrong. They are really cheaply made, about 2 months later my truck gave me a P0300 indicating random misfires on all cylinders. I had to pay a mechanic to replace them twice in a few months. Stay away from those coils.

Pros
  • Nice packaging
Cons
  • Some issues