Mahle OE plain ring set is a top compression ring assembly with a cast claimer profile offered in plain finish and sized 3.7960 in x 5/64 in. Sold as a set, these rings provide the compression sealing component for engine rebuilds and are supplied to match OE dimensions for proper fit where this measurement is required.
Mahle Rings 3.7960in X 5/64in Cast Claimer Top Compression Ring Plain Ring Set