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Mahle plasma-moly compression ring set supplies replacement compression rings for engine rebuilds. The plasma-moly steel top ring suits a 4.310 in bore with a .0625 in section and .190 in thickness, offering reliable sealing for routine and performance applications. Provided as a single set for individual rebuilds, it matches OE-style specifications for consistent fit and function.
Mahle Rings Plasma Moly Steel Top Compression Ring 4.310in x .0625in .190in RW Moly Ring Set
