The Mahle plain top compression ring set (3.7500 in x 5/64 in) is a cast plain ring engineered as a replacement top compression ring. Supplied as a matched set, these rings restore sealing between piston and cylinder, helping maintain combustion chamber seal and control oil distribution when used in proper engine rebuild applications. Specifications are given to ensure correct sizing for compatible pistons.
Mahle Rings 3.7500in X 5/64in Cast Claimer Top Compression Ring Plain Ring Set