BUILD MONTH The build month of the Chevelle is coded as a single letter. First production month for the 1965 Chevelle was August of 1964 in preparation for a September introduction. | Build Month | | Letter | Month | Letter | Month | | R | August 1964 & 1965 | P | September 1964 | | N | October 1964 | L | November 1964 | | K | December 1964 | Z | January 1965 | | *Y | *February, 1965 | X | March 1965 | | W | April 1965 | V | May 1965 | | T | June 1965 | S | July 1965 |
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