The Mahle plain ring set is a second ring plain set sized 3.9700 in with a 5/64 in edge width and a standard gap, offered in grey iron. It provides the basic compression ring function required in piston assemblies and follows the dimensional callout shown in the description. Sold as a named plain ring set, it is intended for direct replacement where these specific dimensions and material are required.
Mahle Rings 3.9700in X 5/64in Edge Width Grey Iron RBT Std Gap Second Ring Plain Ring Set