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Mahle drop-in piston ring set supplies a direct-fit replacement stack for a 4.125" bore. The set lists ring thicknesses as 1/16", 1/16" and 3/16" and is provided as drop-in rings for straightforward installation during an engine rebuild. These rings simplify assembly when bore and ring sizes match, offering standard compression and oil-control geometry for routine service and replacement applications.
Mahle MS 4.125in1/16in 1/16in 3/16in Drop In Rings
