... for Cummins 4BT, 6BT,6CT. Goods can be also developed by sample and drawing.Development Period: Cylinder head: half and two ... Zhongkang As your partner:All of our goods are made by CNC machine, Have strict control on each procedure to make ... goods, pls kindly show us the specification of the goods- part name, part number, model and required quantity. Thanks. Welcome to inquire, Here ...