Project X raw shaft length for iron sets?

I have a set of Titleist 690.cb and 735.CM (both with dgS300) that im looking at reshafting with PROJECT X (steel). What PROJECT X raw shaft lengths do i need for each iron in the set (3-PW)?? Thanx. 

Ryan, 

The raw lengths of the Project X shafts range from 40"-37" (3-PW) before cutting down to the desired length. 

Cameron

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