[Class : 7] Engine Bearings, Bushes, Piston, Piston Pins, Rings, Liner, Filter, Blocks, Sleeves And Cylinder Heads, Except Lister Engine Bearings, Used In Stationery Engine, Included In Class 7.
[Class : 12] Engine Bearings, Bushes, Piston, Piston Pins, Rings, Liner, Filter, Block, Sleeves And Cylinder Heads, Except Thick Walled Bearings, Thrust Washer And Engine, Valves, Used In Automobiles, Being Included In Class 12.