Mid Shift Tube Shaft/ Front Teeth Home Mid Shift Tube Shaft/ Front Teeth Front End Pc We manfacture more than 60 varieties of front end pc. for series of Spicer, RSB, MSL, etc.The core of product is our raw material. we procure high alloy steel for manufacturing mid shift shaft.All forged part are toughened and then we go ahead for machining process.