Saving the financial resources of the country has been always at the center of concerns for authorities. Besides, achieving more independency in car production industry or decreasing the unemployment rate is of high importance. The internal crankshaft production project, as a result has been introduced toward these goals. Before making any investment decision, some assessment or studies should be done in order to guarantee the profitability and return on investment. Or, even, some technical issues could be a big problem in future if they were ignored in the past. On the other hand, the existence of the demand for the product on the market should be proved in advance. Accordingly, by utilizing a complete feasibility study the decision makers will be capable of covering all the correlated concerns about this investment.