These are made of C.I. Casting and shell moulding. The cross-line boring is performed on each piece to achieve virtually distortion less inner bore. The hardness is maintained between 90 to 95 HRB. Our range varies from 35mm to 100mm and is applicable in Mopeds, Two/Three Wheelers, Moto Cycles, Air Compressors, Industrial Engines and Tractors.