Mahle Performance Plasma Moly top ring HV385, 3.464" x 1.0 mm (.143" RW), is a piston top ring made from plasma moly steel and sized to the specified diameter and thickness. The product listing identifies dimensional compatibility for engines that require a 3.464" top ring and is suitable as a replacement component during rebuilds or when stocking ring sizes for specific piston bores.
Mahle Rings Performance Plasma Moly Steel HV385 Top Ring 3.464in x 1.0MM .143in RW Moly Ring Set