pittman arm shaft sizes

What are the two sizes of the sector shafts on the power steering gears. My 70 e body measures approx 1-1/8 is this the correct 70-72 pittman. how much larger is the sector shaft on the 73 up steering gears.

According to bigblockdart.com:

"The large sector, just above the splines as it exits the housing, measures 1.22". The small sector measures 1.11"."