Mahle OE RW chrome ring set in Performance Grey Iron, sized 4.0846 in x 2.0 mm (.178 in). The description specifies the dimensional match for this OE-style ring set without additional features listed. It is presented in the documented size for use where this exact diameter and section height are required for parts matching or inventory stocking.
Mahle Rings Performance Grey Iron BT-10UF 4.0945in x 2.0MM .178in RW Chrome Ring Set