Mahle plain top compression ring set sized 3.9300 in diameter by 5/64 in thickness, provided as a cast top compression ring configuration. This plain ring set is intended for engine rebuilds where accurate ring dimensions and consistent sealing are required. It supplies the basic sealing component needed to restore compression and control blow-by when replacing pistons or performing a top-end overhaul.
Mahle Rings 3.9300in X 5/64in Cast Claimer Top Compression Ring Plain Ring Set