Mahle Rings GMC Pass 121 2.0L OHC Eng 87-94 Plain Ring Set

Mahle is known for making technically advanced engine components, and their piston rings are a prime example. This plain ring set, part number 51470CP.030, is designed for 2.0L OHC engines found in a range of GM vehicles from the mid-80s to the mid-90s, including models like the Pontiac Sunbird, Buick Skyhawk, and Oldsmobile Firenza. These rings play a crucial role in sealing the combustion chamber, controlling oil consumption, and minimizing friction within your engine.

The design of these Mahle rings focuses on reducing friction and ring mass, which helps to minimize engine oil consumption and extend the service life of your engine. By minimizing oil burning, you can help keep your engine running cleaner and more efficiently. This set is specifically sized at 0.030 inches undersize, ensuring a precise fit for engines that have been previously bored over.