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Mahle OE chrome top ring sets for a 3.3366-inch bore with a 1.2mm standard-gap section are chrome steel compression rings supplied as matched sets. Designed for rebuilds where precise outer diameter and gap are required, these rings provide a consistent sealing surface when installed with correct end-gap and break-in procedures per engine builder guidance.
Mahle Rings 3.3366 X 1.2MM Chrome Steel Std Gap Top Ring Chrome Ring Set
