Are those from a b body or a C body. The base and the gears is the same but the window arms are longer. I install a set from a C body on my 68 GTX, you just swap the arms. I also drilled them to take out a 1 1/2 lbs from each to only add 10 lbs from adding power windows.

IMG_1600 (1).JPG

07 Porsche C2 997.1 6spd DD and SCCA Solo II SS
68 Plymouth GTX Convert. 493cu Hotkiss Wilwood Classic air, Building for Solo II Cam
65 Chrysler 300 Convert. project
57 Desoto 2dr. Firesweep 392 Hemi,Wilwood Project with son
2003 Dodge Dakota R/T "DEAD"