Hello, quick help needed. I have set of hepolite nos rings. One compression ring is coated on working surfage only, the other is covered all over ring with some coating. Last one has smaller gap also. Which one is top ring?

email (option): kalle.tikas@gmail.com

Hi Kalle...The 'coated' one is the top ring..Head gasket arrived OK this morning..thanks...Ian

email (option): ian@wright52.plus.com