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Mahle OE Pro Series moly ring set is a low-tension piston ring kit sized for a 4.125" bore, engineered to reduce friction while maintaining sealing for higher-rev and performance-oriented engines. The moly-faced rings offer durable wear characteristics under repeated cycles and suit rebuilds or performance replacements where controlled oil consumption and reliable ring life are required.
Mahle Rings Pro Series Performance Ring Low Tension 4.125 Bore Moly Ring Set
