The Mahle OE plain ring set is a grey iron, second-groove piston ring set sized for a 3.4646-inch bore with 1.5 mm ring thickness and a .150 ring width specification. It supplies replacement plain rings intended for engine rebuilds and maintenance where exact bore sizing and reliable sealing are required. Use this set to restore compression and control oil on engines matched to the listed bore.
Mahle Rings Grey Iron BT Second Groove Ring 3.4646 Bore x 1.5MM .150 RW Plain Ring Set