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The Mahle OE moly piston ring set is listed for GMC passenger 2.0L (1987–1989) and GMC passenger 2.2L (1990–1993) engines. Built to OE-driven standards, these moly rings seek lower friction and reduced ring mass while helping control oil use and improving longevity. They are specified for routine rebuilds and repairs where accurate ring sizing and OE-style performance are needed.
Mahle Rings GMC Pass 121 2.0L Eng 87-89 GMC Pass 134 2.2L Eng 90-93 Moly Ring Set
