Mahle OE Plasma Moly ring set for a 4.030 in bore, listing a 1/16 in top ring and 3.00 mm specification for proper fit. This matched set is intended for replacement during rebuilds or repairs where the stated bore and ring dimensions are required. The product description emphasizes precise sizing for reliable installation in compatible engines.
Mahle Rings 4.030in Bore 1/16in 3.00MM Plasma Moly Ductile Std Tension Engine Set Moly Ring Set