This Mahle OE moly top compression ring set is sized 3.9350 in by 5/64 in and supplied as a 48-piece bulk pack for piston rebuild and engine assembly needs. The moly-coated top rings are intended for compression duty and come packaged in quantity for production or workshop use. These rings support OE-style rebuilds where the specified diameter and section width match the engine’s piston and cylinder requirements.
Mahle Rings 3.9350in X 5/64in Moly Claimer Top Compression Ring Moly Ring Set (48 Qty Bulk Pack)