Tenders for Supply of Kit Of Lp Piston Rings Gd Water Cooled Compressor Consisting Of Three Items As Follows: 1 Piston Ring Oil Control To Gd Part No. 65Am280, Qty - 01 No.; 2 Piston Ring With Retaining Spring To Gd Part No. 65Aa20, Qty - 01 No.; 3 Piston Ring To Gd Part No. 65V32, Qty - 01 No.