Mahle Rings Buick 301/350 L Eng 77-79 Checker 327/350 Eng 69-79 Chevy 302/327/353 Moly Ring Set

If you're rebuilding the top end of your engine, a fresh set of piston rings is a critical part of the job. These Mahle OE Moly Piston Ring Sets are designed to fit a wide range of Buick, Cadillac, and Chevrolet engines from the late 70s and 80s, like those found in a 1985 Buick LeSabre, a 1984 Cadillac DeVille, or a 1986 Chevrolet C30. They play a key role in sealing the combustion chamber, controlling oil consumption, and transferring heat away from the piston.

Mahle builds these rings with moly (molybdenum) coatings, which are known for their ability to reduce friction between the piston ring and cylinder wall. This not only helps the engine run a bit smoother but also contributes to a longer service life for both the rings and the cylinder bores. Because they are designed to meet OE requirements, you can expect them to minimize oil consumption and help maintain good compression, which is essential for engine performance and efficiency.

This particular set is 0.040 inch undersize, which is important to note if you've had your cylinders honed or bored to a specific size. Always double-check your cylinder bore measurements before ordering to ensure you get the correct size for your rebuild.