Driveshaft

The 9th box from the left on the 2nd line contains the Driveshaft code. Associated reference material was taken from the 1965-1972 Ford Parts Manual, section 4602.
Although the K-code engine was also offered with an available C-4 automatic, I could find no reference for a driveshaft specification. I suspect it would have a different part number, and length. So far, I don't have driveshaft build sheet codes for it, or the 6-cylinder's 4-speed Dagenham combination.

DRIVESHAFT

5	T-Code 6 cyl., 3-Speed C6ZZ-4602-A     2-1/2” x 49-63/64”	M	C-Code & A-Code V-8’s, 3-Speed & 4-Speed C5ZZ-4602-J     2-3/4” x 50-25/32”
	T-Code 6 cyl., 4-Speed C5ZZ-4602-G     2-1/2” x 51”	B	C-Code & A-Code V-8’s, C-4 C5ZZ-4602-H     2-3/4” x 51-1/16”
M	T-Code 6cyl., C-4 C5ZZ-4602-J     2-3/4” x 50-25/32”	E	K-Code V-8,  4-Speed C5ZZ-4602-E     2-3/4” x 49-23/32”
			K-Code V-8, C-4