This Mahle OE chrome top ring set features a 2.9528" diameter top ring made from chrome steel with a standard gap and a 1.2mm section width. Intended as the top compression ring in piston assemblies, the chrome finish improves wear resistance for compatible bores and restores OEM-style sealing characteristics during engine rebuilds or maintenance where specified dimensions match.
Mahle Rings 2.9528 X 1.2MM Chrome Steel Std Gap Top Ring Chrome Ring Set