ring need to be gap when you want to run at abnormal operation such as excessive boost pressure and lot of nitrous shot.... you need to check piston gap for every cylinder to ensure all the individual ring is gap properly fill.. there is no plug and play item for hardware since there is always tolerance during the manufacturer of the product... give me the ring that being gap from factory that maintain the same gap when install...
You can use a piece of diamond file to gapped your ring to the specs. File only one side to have the other side as reference. A steel file is not up to par when precision is concern where it's not sharp enough and may ruin your ring.
piston ring gap
Linear Mode
