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The Mahle low-tension moly ring set for a 4.000" bore is a piston ring kit specified to fit engines with that exact bore size. Supplied by Mahle OE, this moly ring set is intended for use during rebuilds or piston servicing where a low-tension molybdenum-faced ring pack matched to a 4.000-inch cylinder bore is needed for replacement.
Mahle Rings Claimer Performance Low Tension 4.000 Bore Moly Ring Set
