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The MAHLE moly piston ring set delivers OE-level technology focused on reduced friction, lower ring mass and minimized oil consumption for extended service life. These advanced rings are engineered to improve sealing and durability while supporting cleaner operation. Application details indicate fitment for CHR 340 engines (1968–1973) and GMC 400 engines (1967–1969) per the product identification.
Mahle Rings CHR 340 68-73 GMC 400 67-69 Moly Ring Set
