I am interested John, but check my math here and tell me what I am missing if they were for a Zero deck block?
Since they are a 1.094" pin you could have only used a 6.76" rod?
6.76" (rod) + 2.125" (half the stroke) + 1.685" ( piston compression height) = 10.57"
440 Block 10.725" - 10.57" =...