The Portable and Light-Weight Piston & Ringset ranges from 23 mm to 400 mm diameter. Karan Export supplies Portable and Light-Weight Piston & Ringset. Karan Export is an ISO 9001:2000 registered organization that supplies various types of precision engineered automotive components and accessories like automotive engine parts, automotive pistons, automotive connecting rods, automotive air filters, automotive spare parts, etc. These Piston Rings are made from high quality Grey C.I. Castings [Individual Casting] with an ideal combination of free and combined carbon to provide prolonged working life. The casting used has a very fine grain to provide high tension even at elevated temperatures of high-speed engines.