Mahle OE plasma-moly piston ring set sized for a 4.100 in bore and specified at 1.5 mm x .151 RW. This ring set follows Mahle’s plasma-moly steel construction and is offered to match engines requiring those exact ring dimensions. It’s presented as a direct replacement option for rebuilding pistons where that bore and ring width are required.
Mahle Rings Plasma Moly Steel 1.5MM x .151 RW 4.100in Bore Diameter Moly Ring Set